Upgrade gradle wrapper

And clean up other dependencies. Fixes entagen#68 for those not using ancient versions of gradle and not using the gradle wrapper.

build.gradle

@@ -6,9 +6,8 @@ repositories {
 }
 
 dependencies {
-    groovy 'org.codehaus.groovy:groovy-all:1.8.8'
-    compile 'org.apache.ivy:ivy:2.2.0'
-    compile 'commons-cli:commons-cli:1.2' // should be part of groovy, but not available when running for some reason
+    compile 'org.codehaus.groovy:groovy-all:2.4.6'
+    compile 'commons-cli:commons-cli:1.3.1'
     testCompile 'junit:junit:4.10'
     compile 'org.codehaus.groovy.modules.http-builder:http-builder:0.7.1'
 }
@@ -40,7 +39,7 @@ task syncWithRepo(dependsOn: 'classes', type: JavaExec) {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '1.0'
+    gradleVersion = '2.9'
 }
 
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Jun 20 11:41:01 CDT 2012
+#Wed Jun 01 20:35:21 PDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=http\://services.gradle.org/distributions/gradle-1.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.9-bin.zip

gradlew

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 ##############################################################################
 ##
@@ -42,11 +42,6 @@ case "`uname`" in
     ;;
 esac
 
-# For Cygwin, ensure paths are in UNIX format before anything is touched.
-if $cygwin ; then
-    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
-fi
-
 # Attempt to set APP_HOME
 # Resolve links: $0 may be a link
 PRG="$0"
@@ -61,9 +56,9 @@ while [ -h "$PRG" ] ; do
     fi
 done
 SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/"
+cd "`dirname \"$PRG\"`/" >/dev/null
 APP_HOME="`pwd -P`"
-cd "$SAVED"
+cd "$SAVED" >/dev/null
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
@@ -101,7 +96,7 @@ if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
             warn "Could not set maximum file descriptor limit: $MAX_FD"
         fi
     else
-        warn "Could not query businessSystem maximum file descriptor limit: $MAX_FD_LIMIT"
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
     fi
 fi
 
@@ -114,6 +109,7 @@ fi
 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`