Fixed add-ons folder name pattern.
Excluding the R.java file which does not currently lint
reverting repo url back to a generic localhost url rather than a specific repo
Merge pull request #194 from hborders/addons_folder_name_pattern

Fixed add-ons folder name pattern.
updated various version numbers in docs
removed analytics v1 since it has been commented out for a while anyway and it obsolete
added admob back in since it works fine and is still available and can be used
added link re deprecation of admob
further version related doc updates
Update README.markdown
deprecated gcm
Merge pull request #212 from secondsun/javadoc_java8

Excluding the R.java file which does not currently lint