GEODE-7716: Use gradlew that does not require a checked in jar

When publishing a source distribution, we should not include any jars in the
distribution. For other geode projects, (eg geode-examples) we use this gradlew
which downloads the gradle-wrapper.jar file was well.
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
deleted file mode 100644
index 01b8bf6..0000000
--- a/gradle/wrapper/gradle-wrapper.jar
+++ /dev/null
Binary files differ
diff --git a/gradlew b/gradlew
index cccdd3d..de155c6 100755
--- a/gradlew
+++ b/gradlew
@@ -1,10 +1,74 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
-##############################################################################
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ##
-##  Gradle start up script for UN*X
+## Tries to recreate Gradle's gradlew command in pure bash.
+## This way you don't have to worry about binaries in your build.
 ##
-##############################################################################
+## Depdencies
+## unzip
+##
+
+set -e
+set -o pipefail
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+    MAX_FD="maximum"
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+bin=`dirname "$0"`
+bin=`cd "$bin">/dev/null; pwd`
+
+if [ -e "$bin/gradle/wrapper/gradle-wrapper.properties" ]; then
+  . "$bin/gradle/wrapper/gradle-wrapper.properties"
+else
+  # the location that the wrapper is at doesn't have a properties
+  # check PWD, gradlew may be shared
+  if [ -e "$PWD/gradle/wrapper/gradle-wrapper.properties" ]; then
+    . "$PWD/gradle/wrapper/gradle-wrapper.properties"
+  else
+    echo "Unable to locate gradle-wrapper.properties.  Not at $PWD/gradle/wrapper/gradle-wrapper.properties or $bin/gradle/wrapper/gradle-wrapper.properties" 1>&2
+    exit 1
+  fi
+fi
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+darwin=false
+case "`uname`" in
+  Darwin* )
+    darwin=true
+    ;;
+esac
 
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
@@ -20,49 +84,9 @@
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
+cd "`dirname \"$PRG\"`/" >&-
 APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
-
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
-
-# Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
-
-warn () {
-    echo "$*"
-}
-
-die () {
-    echo
-    echo "$*"
-    echo
-    exit 1
-}
-
-# OS specific support (must be 'true' or 'false').
-cygwin=false
-msys=false
-darwin=false
-nonstop=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-  NONSTOP* )
-    nonstop=true
-    ;;
-esac
+cd "$SAVED" >&-
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -89,7 +113,7 @@
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+if [ "$darwin" = "false" ] ; then
     MAX_FD_LIMIT=`ulimit -H -n`
     if [ $? -eq 0 ] ; then
         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
@@ -109,64 +133,89 @@
     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
 fi
 
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin ; then
-    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
-    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
-    JAVACMD=`cygpath --unix "$JAVACMD"`
-
-    # We build the pattern for arguments to be converted via cygpath
-    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
-    SEP=""
-    for dir in $ROOTDIRSRAW ; do
-        ROOTDIRS="$ROOTDIRS$SEP$dir"
-        SEP="|"
-    done
-    OURCYGPATTERN="(^($ROOTDIRS))"
-    # Add a user-defined pattern to the cygpath arguments
-    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
-        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
-    fi
-    # Now convert the arguments - kludge to limit ourselves to /bin/sh
-    i=0
-    for arg in "$@" ; do
-        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
-        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
-
-        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
-            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
-        else
-            eval `echo args$i`="\"$arg\""
-        fi
-        i=$((i+1))
-    done
-    case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
-    esac
-fi
-
-# Escape application args
-save () {
-    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
-    echo " "
+# does not match gradle's hash
+# waiting for http://stackoverflow.com/questions/26642077/java-biginteger-in-bash-rewrite-gradlew
+hash() {
+  local input="$1"
+  if $darwin; then
+    md5 -q -s "$1"
+  else
+    echo -n "$1" | md5sum  | cut -d" " -f1
+  fi
 }
-APP_ARGS=$(save "$@")
 
-# Collect all arguments for the java command, following the shell quoting and substitution rules
-eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+dist_path() {
+  local dir=$(basename $distributionUrl | sed 's;.zip;;g')
+  local id=$(hash "$distributionUrl")
 
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
+  echo "$HOME/.gradle/${distributionPath:-wrapper/dists}/$dir/$id"
+}
 
-exec "$JAVACMD" "$@"
+zip_path() {
+  local dir=$(basename $distributionUrl | sed 's;.zip;;g')
+  local id=$(hash "$distributionUrl")
+
+  echo "$HOME/.gradle/${zipStorePath:-wrapper/dists}/$dir/$id"
+}
+
+download() {
+  local base_path=$(dist_path)
+  local file_name=$(basename $distributionUrl)
+  local dir_name=$(echo "$file_name" | sed 's;-bin.zip;;g' | sed 's;-src.zip;;g' |sed 's;-all.zip;;g')
+
+  if [ ! -d "$base_path" ]; then
+    mkdir -p "$base_path"
+  else
+    # if data already exists, it means we failed to do this before
+    # so cleanup last run and try again
+    rm -rf $base_path/*
+  fi
+
+  # download dist. curl on mac doesn't like the cert provided...
+  local zip_path=$(zip_path)
+  curl --insecure -L -o "$zip_path/$file_name" "$distributionUrl"
+
+  pushd "$base_path"
+    touch "$file_name.lck"
+    unzip "$zip_path/$file_name" 1> /dev/null
+    touch "$file_name.ok"
+  popd
+}
+
+is_cached() {
+  local file_name=$(basename $distributionUrl)
+
+  [ -e "$(dist_path)/$file_name.ok" ]
+}
+
+lib_path() {
+  local base_path=$(dist_path)
+  local file_name=$(basename $distributionUrl | sed 's;-bin.zip;;g' | sed 's;-src.zip;;g' |sed 's;-all.zip;;g')
+
+  echo "$base_path/$file_name/lib"
+}
+
+classpath() {
+  local dir=$(lib_path)
+  local cp=$(ls -1 $dir/*.jar | tr '\n' ':')
+  echo "$dir:$cp"
+}
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+
+main() {
+  if ! is_cached; then
+    download
+  fi
+
+  eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+  JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+  $JAVACMD "${JVM_OPTS[@]}" -cp $(classpath) org.gradle.launcher.GradleMain "$@"
+}
+
+main "$@"
+
diff --git a/gradlew.bat b/gradlew.bat
deleted file mode 100644
index e95643d..0000000
--- a/gradlew.bat
+++ /dev/null
@@ -1,84 +0,0 @@
-@if "%DEBUG%" == "" @echo off

-@rem ##########################################################################

-@rem

-@rem  Gradle startup script for Windows

-@rem

-@rem ##########################################################################

-

-@rem Set local scope for the variables with windows NT shell

-if "%OS%"=="Windows_NT" setlocal

-

-set DIRNAME=%~dp0

-if "%DIRNAME%" == "" set DIRNAME=.

-set APP_BASE_NAME=%~n0

-set APP_HOME=%DIRNAME%

-

-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

-set DEFAULT_JVM_OPTS=

-

-@rem Find java.exe

-if defined JAVA_HOME goto findJavaFromJavaHome

-

-set JAVA_EXE=java.exe

-%JAVA_EXE% -version >NUL 2>&1

-if "%ERRORLEVEL%" == "0" goto init

-

-echo.

-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

-echo.

-echo Please set the JAVA_HOME variable in your environment to match the

-echo location of your Java installation.

-

-goto fail

-

-:findJavaFromJavaHome

-set JAVA_HOME=%JAVA_HOME:"=%

-set JAVA_EXE=%JAVA_HOME%/bin/java.exe

-

-if exist "%JAVA_EXE%" goto init

-

-echo.

-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

-echo.

-echo Please set the JAVA_HOME variable in your environment to match the

-echo location of your Java installation.

-

-goto fail

-

-:init

-@rem Get command-line arguments, handling Windows variants

-

-if not "%OS%" == "Windows_NT" goto win9xME_args

-

-:win9xME_args

-@rem Slurp the command line arguments.

-set CMD_LINE_ARGS=

-set _SKIP=2

-

-:win9xME_args_slurp

-if "x%~1" == "x" goto execute

-

-set CMD_LINE_ARGS=%*

-

-:execute

-@rem Setup the command line

-

-set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

-

-@rem Execute Gradle

-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

-

-:end

-@rem End local scope for the variables with windows NT shell

-if "%ERRORLEVEL%"=="0" goto mainEnd

-

-:fail

-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

-rem the _cmd.exe /c_ return code!

-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

-exit /b 1

-

-:mainEnd

-if "%OS%"=="Windows_NT" endlocal

-

-:omega