cmk: rename references to `cmk` and update README

Signed-off-by: Rohit Yadav <rohit@apache.org>
diff --git a/Makefile b/Makefile
index e77b002..517c231 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,7 @@
 # under the License.
 
 # Makefile referenced from github.com/vincentbernat/hellogopher
-PACKAGE  = cloudmonkey
+PACKAGE  = cmk
 DATE    ?= $(shell date +%FT%T%z)
 VERSION ?= $(shell git describe --tags --always --dirty --match=v* 2> /dev/null || \
 			cat $(CURDIR)/.version 2> /dev/null || echo v0)
@@ -47,7 +47,7 @@
 	@ln -sf $(CURDIR) $@
 
 run: all
-	./bin/cloudmonkey
+	./bin/cmk
 
 debug:
 	$(GO) build -gcflags='-N -l' -o cmk cmk.go &&  dlv --listen=:2345 --headless=true --api-version=2 exec ./cmk
diff --git a/README.md b/README.md
index d1bfd54..edd98ac 100644
--- a/README.md
+++ b/README.md
@@ -9,34 +9,26 @@
 with Apache CloudStack 4.9 and above. The legacy cloudmonkey written in Python
 can be used with Apache CloudStack 4.0-incubating and above.
 
-### Usage
-
-Work in progress: 6.0.0-alpha1 (TO BE UPDATED soon)
-
-For modern cloudmonkey usage, please see the [usage page](https://github.com/apache/cloudstack-cloudmonkey/wiki/Usage).
-
-Legacy cloudmonkey can be installed using `pip install cloudmonkey`.
-For legacy cloudmonkey, please see the [cwiki usage page](https://cwiki.apache.org/confluence/display/CLOUDSTACK/CloudStack+cloudmonkey+CLI).
+For documentation, kindly see the [wiki](https://github.com/apache/cloudstack-cloudmonkey/wiki).
 
 ### Development
 
-The following are various make targets you can run:
+For development the pre-requisites are Go 10 or latest and a unix-like
+environment. You can use the following targets for building:
 
     $ make help
 
-      all               Build program binary
-      run               Builds and runs cloudmonkey
-      dist              Builds release for various targets
-      clean             Cleans build artifacts
-      lint              Run golint
-      fmt               Run gofmt on all source files
-      check test tests  Run tests
-      test-bench        Run benchmarks
-      test-short        Run only short tests
-      test-verbose      Run tests in verbose mode with coverage reporting
-      test-race         Run tests with race detector
-      test-xml          Run tests with xUnit output
-      test-coverage     Run coverage tests
+      all             Build program binary
+      test-bench      Run benchmarks
+      test-short      Run only short tests
+      test-verbose    Run tests in verbose mode with coverage reporting
+      test-race       Run tests with race detector
+      check tests     Run tests
+      test-xml        Run tests with xUnit output
+      test-coverage   Run coverage tests
+      debug           Runs a debuggable binary using dlv
+      lint            Run golint
+      fmt             Run gofmt on all source files
 
 Build and run:
 
@@ -45,7 +37,7 @@
 Build and run manually:
 
     $ make all
-    $ ./bin/cloudmonkey
+    $ ./bin/cmk
 
 ### Community
 
@@ -69,14 +61,15 @@
 
 ### History
 
-`cloudmonkey` was originally written in Python and contributed to Apache CloudStack
-project by [Rohit Yadav](http://rohityadav.cloud) on 31 Oct 2012 under the Apache
-License 2.0. The original tool is also referred to as legacy cloudmonkey can
-be installed using `pip install cloudmonkey`.
+The original `cloudmonkey` was written in Python and contributed to Apache
+CloudStack project by [Rohit Yadav](http://rohityadav.cloud) on 31 Oct 2012
+under the Apache License 2.0. The Python-based original CLI is now referred to
+as the legacy cloudmonkey and can be installed using `pip install cloudmonkey`.
 
-Starting version 6.0.0, referred to as the modern cloudmonkey, is a simplified
-Go port of the original tool and ships as a standalone executable for several
-targets such as Linux, Mac and Windows.
+Starting version 6.0.0, the modern cloudmonkey `cmk` is a fast and simplified
+Go-port of the original tool with some backward incompatibilities and reduced
+feature set. It ships as a standalone 64-bit executable binary for several
+platforms such as Linux, Mac and Windows.
 
 ### License
 
diff --git a/cli/completer.go b/cli/completer.go
index 9c02eff..99f10ed 100644
--- a/cli/completer.go
+++ b/cli/completer.go
@@ -23,8 +23,8 @@
 	"strings"
 	"unicode"
 
-	"cloudmonkey/cmd"
-	"cloudmonkey/config"
+	"cmk/cmd"
+	"cmk/config"
 
 	"github.com/chzyer/readline/runes"
 )
diff --git a/cli/exec.go b/cli/exec.go
index 17d5829..cbf5895 100644
--- a/cli/exec.go
+++ b/cli/exec.go
@@ -18,8 +18,8 @@
 package cli
 
 import (
-	"cloudmonkey/cmd"
-	"cloudmonkey/config"
+	"cmk/cmd"
+	"cmk/config"
 )
 
 // ExecCmd executes a single provided command
diff --git a/cli/shell.go b/cli/shell.go
index d9ffea1..342fe25 100644
--- a/cli/shell.go
+++ b/cli/shell.go
@@ -22,7 +22,7 @@
 	"io"
 	"strings"
 
-	"cloudmonkey/config"
+	"cmk/config"
 
 	"github.com/mattn/go-shellwords"
 
diff --git a/cmd/api.go b/cmd/api.go
index 5c0a57c..1100f55 100644
--- a/cmd/api.go
+++ b/cmd/api.go
@@ -27,7 +27,7 @@
 	"sort"
 	"strings"
 
-	"cloudmonkey/config"
+	"cmk/config"
 )
 
 var apiCommand *Command
diff --git a/cmd/help.go b/cmd/help.go
index 24f654b..98d1f71 100644
--- a/cmd/help.go
+++ b/cmd/help.go
@@ -22,7 +22,7 @@
 	"fmt"
 	"strings"
 
-	"cloudmonkey/config"
+	"cmk/config"
 )
 
 var helpCommand *Command
diff --git a/cmd/request.go b/cmd/request.go
index 32e059a..125ebb7 100644
--- a/cmd/request.go
+++ b/cmd/request.go
@@ -18,7 +18,7 @@
 package cmd
 
 import (
-	"cloudmonkey/config"
+	"cmk/config"
 	"net/http"
 )
 
diff --git a/cmk.go b/cmk.go
index 982c19a..cb72e71 100644
--- a/cmk.go
+++ b/cmk.go
@@ -20,7 +20,7 @@
 import (
 	"os"
 
-	"cloudmonkey/cli"
+	"cmk/cli"
 )
 
 func main() {