Refactored classes into com.github.jrubugradle.jar package. Updated README as well

Author: ysb33r

README.md

@@ -44,7 +44,8 @@ jar {
     // Use the default GEM installation directory
     defaultGems()
 
-    // Add this directory to the list of GEM installation directories
+    // Add this GEM installation directory to the JAR.
+    // Can be called more than once for additional directories
     gemDir '/path/to/my/gemDir'
     
     // Make the JAR executable and use the default main class

src/main/groovy/com/github/jrubygradle/JRubyJarConfigurator.groovy renamed to src/main/groovy/com/github/jrubygradle/jar/JRubyJarConfigurator.groovy

@@ -1,4 +1,4 @@
-package com.github.jrubygradle
+package com.github.jrubygradle.jar
 
 import groovy.transform.PackageScope
 import org.gradle.api.Project

src/main/groovy/com/github/jrubygradle/JRubyJarPlugin.groovy renamed to src/main/groovy/com/github/jrubygradle/jar/JRubyJarPlugin.groovy

@@ -1,9 +1,9 @@
-package com.github.jrubygradle
+package com.github.jrubygradle.jar
 
+import com.github.jrubygradle.jar.JRubyJarConfigurator
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.Task
-import org.gradle.api.UnknownTaskException
 import org.gradle.api.tasks.bundling.Jar
 import org.gradle.api.tasks.testing.Test
 

src/main/resources/META-INF/gradle-plugins/com.github.jruby-gradle.jar.properties

@@ -1 +1 @@
-implementation-class=com.github.jrubygradle.JRubyJarPlugin
+implementation-class=com.github.jrubygradle.jar.JRubyJarPlugin

src/test/groovy/com/github/jrubygradle/JRubyJarPluginSpec.groovy renamed to src/test/groovy/com/github/jrubygradle/jar/JRubyJarPluginSpec.groovy

@@ -1,9 +1,8 @@
-package com.github.jrubygradle
+package com.github.jrubygradle.jar
 
 import org.gradle.api.file.FileCollection
 import org.gradle.api.tasks.bundling.Jar
 import org.gradle.testfixtures.ProjectBuilder
-import spock.lang.IgnoreRest
 import spock.lang.Specification
 
 import static org.gradle.api.logging.LogLevel.LIFECYCLE