Using ng-cloak for settings and fixing e2e test

- Using ng-cloak directive to hide HTML until the settings app is ready
- Moving import of angular into `<head>` and also removing unnecessary e2e build blocks for angular and query
- "html:e2e" gulp task updated to remove angular and jquery replacements
- e2e saving test fixed to remove align value from column header font default
Merge pull request #56 from stulees/master

Using ng-cloak for settings and fixing e2e test