Merge pull request #36 from naveenhooda2004/master

Ranking Rule for Rule Based Categories
Changed 2 requests to 1 for evaluation
Merge remote-tracking branch 'upstream/master'
Adding more tests for filter query
Enabled real time get
Merge branch 'master' of github.com:rmerizalde/opencommercesearch
Corrected Indentation and added parameter that evaluation engine to be run when repository changes takes place
Ricardo's Comment incorporated for sending evaluate message
Merge remote-tracking branch 'upstream/master'