Finalized Column Selector directive

Added 2 different column types:
- text
- int
Logic to show int specific fields
Updated test cases

Added Tooltips to fields
Merge pull request #61 from alex-deaconu/master

Finalized Column Selector directive
Added demo page for column selector

Added translate module
Merge pull request #62 from alex-deaconu/master

Added demo page for column selector
[bugfix] fixing layout and variables for url-field-demo
Merge pull request #63 from Rise-Vision/chore/url-field-demo-fixes

[bugfix] fixing layout and variables for url-field-demo