Merge pull request #24 from apojha/master

[#20] adding clearAll methods to activity client and priming client
playing with signing plugin
Moving to maven gradle plugin and adding signing / upload to archives
moving to central repo as depedency rather than our own
Merge branch 'signing'

Conflicts:
	.gitignore
adding maven central staging repo + apojha as a developer
adding read me
adding factory method with default host and port
Adding methods to Scassandra interface to get a priming clients and activity clients.
adding validation to priming request builder and adding javadoc
[#26] Adding ports to scassandra interface
specific version of http client
Merge branch 'master' of github.com:chbatey/scassandra-java-client
adding copyright
changes due to scassandra package change
moving to specific version of gson
[#9
Merge branch 'master' of github.com:chbatey/scassandra-java-client

Conflicts:
	build.gradle
	src/test/java/org/scassandra/http/client/PrimingRequestTest.java