added gradle
changing libgdx dependency to v1.1.0. Set executable attribute to gradlew
removed .project's and .classpath's. Changed main project name to 'core'
changes for project names. rename of folders for new project structure
Merge pull request #18 from xaguzman/gradle

added gradle build scripts
Removes unnecessary Libgdx jar files (it is now handled by Gradle)
Update README.md
Changes the name of the generated jar file to ashley-1.0-SNAPSHOT.jar
Merge branch 'master' of github.com:libgdx/ashley
Fixes some javadocs
Changes javadocs title
Adds jUnit dependency for tests in core project
Adds ComponentTypeTests
Adds EntityTests
Additional test to ComponentTypeTests
Adds FamilyTests
Moves core tests into the ashley.core package
Adds SignalTests