[chore] Fix build and remove unnecessary dependencies

Change font task reference
Added image task for select2 images
Removed angular-translate dependencies
- Dependencies added in widget-settings-ui-core
- angular-translate-loader-url is not used
Re-named build files for css and js
Merge pull request #31 from alex-deaconu/master

[chore] Fix build and remove unnecessary dependencies
[chore] HTML refactoring

Removed column-selector label
Refactored html as per Input Guidelines
- Including refactoring for validation messages
Added angular-bootstrap dependency
Merge pull request #32 from alex-deaconu/master

[chore] HTML refactoring
[chore] Fix html task

Setting fixed plugin version
- New versions of the plugin break the build
Merge pull request #33 from alex-deaconu/master

[chore] Fix html task
[feature] e2e tests

Wrote e2e tests for the widget
Renamed run-sequence to fix warning
Fixed close button action
Merge pull request #34 from alex-deaconu/master

[feature] e2e tests
[fix] Updated button styling
Merge pull request #35 from alex-deaconu/fix/button-styling

[fix] Updated button styling
[fix] Value changed for column.width
Merge pull request #36 from alex-deaconu/master

[fix] Value changed for column.width
[feature] Added disclaimer warning and font configuration

Fixed related tests
Merge pull request #37 from alex-deaconu/master

[feature] Added disclaimer warning and font configuration
[chore] Switch buttons to use font-awesome

Updated test
Merge pull request #38 from alex-deaconu/master

[chore] Switch buttons to use font-awesome
[fix] Moved components and renamed Disclaimer section
Merge pull request #39 from alex-deaconu/master

[fix] Moved components and renamed Disclaimer section
[chore] Removed css file, unneeded task and dependency
Merge pull request #40 from alex-deaconu/master

[chore] Removed css file, unneeded task and dependency