Merge pull request #48 from hoangelos/master

Add JSON validation on the fly capability
updated add collection to include Exception handling
updated add collection to include exception handling
updated add collection to include Exception Handling
Added field validation after user is done typing.
Clean up.
[Query Analyzer] Improve indexes suggestion fucntion
Improve tests to use Capybara's waiting mechanisms
Merge pull request #53 from drcapulet/master

Improve tests to use Capybara's waiting mechanisms
Removed blank line to see if Travis build will pass.
Merge remote-tracking branch 'upstream/master'
Added test for empty search results.
Update lib/query_analyzer/evaluator.rb

add missing parens
Merge pull request #52 from macworld/master

[Query Analyzer] Improve indexes suggestion fucntion
Skeleton files for the shard visulizer
Merge branch 'shard_visualizer_skeleton'
minor: updating .rvmrc to use ruby 2.0
Modified JQuery to validate as the user types
Merge pull request #51 from geota/master

Add field validation for Query Interface when user is done typing.
implemented remove collection and updated add collection's jquery validation