RANGER-197: Fixed the source code compilation issues related to SNAPSHOT library dependencies
RANGER-195: updated wiki page link
Added Apache Copyright

Signed-off-by: sneethiraj <sneethir@apache.org>
RANGER-194: Rename packages from xasecure to apache ranger
RANGER-194: fixed some of the ranger related changes on winpkg
RANGER-194: Rename classes under web-admin project
WIP commit of kafka changes.