adding updates needed for new gdk on kitkat
taking out uneccessary comment in readme
Commented analytics v2 and updated readme
Merge pull request #218 from Shusshu/analytics

Commented analytics v2 and updated readme
correcting the jar simple version for kit kat gdk support
removing trash files
Merge pull request #217 from aaalaniz/master

Adding support for latest GDK release on KitKat
gcm documentation and adding contributor