[CDE-257]: Refactored columns so that padding are not removed in bootstrap renderer
[CLEANUP]: License update and code style review
[CDE-257]: Unit Test for BootstrapColumnRender
[CDE-257]: Removed redundant override in unit test
Merge pull request #94 from davidmsantos90/master

 [CDE-257]: Refactored columns so that padding are not removed in bootstrap renderer