Update default versions and checksums (#215)

diff --git a/conf/checksums b/conf/checksums
index 16c92c3..6ec2bf6 100644
--- a/conf/checksums
+++ b/conf/checksums
@@ -6,6 +6,8 @@
 accumulo:1.8.1:eba3bfe823935ca7901ea7c2bd59c84a68b9381361699c7e260bbd9191f237f4
 accumulo:1.7.4:3776dddbc2a09f4a9d7a2ae4958e212e91eb5067a124a628330edbee4e32e754
 accumulo:1.7.3:294f2f1f3fbc164b68e80cecd5a6ce5c245df804fb35ae5e03ab1c86bc9480da
+hadoop:3.2.0:79676a7dadbc4740cb2ff4ae7af75f5b0a45b4748f217f4179ab64827b840eef58c63b9132260c5682cb28b6d12a27d4a4d09a15173aca158fb1fc3cdb0b1609
+hadoop:3.1.2:0e0ee817c89b3c4eb761eca7f16640742a83b0e99b6fda26c1bee2baabedad93aab86e252bf5f1e2381c6d464bc4003d10c7cc0f61b2062f4c59732ca24d1bd9
 hadoop:3.1.1:0821685c2f77710f189cf6a37309cd6ba35b63432bae19f7b3db05fdbdd1d375d8333e47461d82762d5f7f4133c6b33216689a6403d7dff3f8f41dcbe5477030
 hadoop:3.1.0:8c620d1c82cc04629b7ada90ba0691c734196295e0103d74569de1f29e914327c281c0c9f1e48881df3d567f6482c288bd493a16257c801c82247f5eb5d7b1e4
 hadoop:3.0.2:0d507aa71007b2685e292343c11c2cb90a92ea7625446b57d1fb47c5721e2f82
diff --git a/conf/uno.conf b/conf/uno.conf
index b34c237..c06c874 100644
--- a/conf/uno.conf
+++ b/conf/uno.conf
@@ -3,9 +3,9 @@
 
 # Versions
 # --------
-export HADOOP_VERSION=${HADOOP_VERSION:-3.1.1}
+export HADOOP_VERSION=${HADOOP_VERSION:-3.2.0}
 export ZOOKEEPER_VERSION=${ZOOKEEPER_VERSION:-3.4.13}
-export ACCUMULO_VERSION=${ACCUMULO_VERSION:-2.0.0-alpha-1}
+export ACCUMULO_VERSION=${ACCUMULO_VERSION:-2.0.0-alpha-2}
 export FLUO_VERSION=${FLUO_VERSION:-1.2.0}
 export FLUO_YARN_VERSION=${FLUO_YARN_VERSION:-1.0.0}