condensed gradle build file to use one android block
merged in gradle_branch
merged from gradle_build
updated gradle build for dependencies
fixed conflicts
Merge branch 'master' of github.com:kousen/HelloWorld

Conflicts:
	.gitignore
	build.gradle
	src/com/nfjs/helloworld/GetAllNamesTask.java
	src/com/nfjs/helloworld/WelcomeActivity.java