#130 - Force use of correct Java session store.

Rails specs fail without this change. This change loads
the java_servlet_store found in jruby-rack.
#130 - Moving fanin api controller to new rails.
#130 - Moving process_list api controller to new rails.
#130 - Moving plugins api controller to new rails.
#130 - Moved some routes to new rails.
#130 - Moved stages api controller & view to new rails.
Merge remote-tracking branch 'main_gocd/master'
Merge pull request #209 from arvindsv/master

#130 - Force use of correct Java session store.
Merge pull request #210 from bsharanya/master

Moved api controllers to new rails.