Remove bootstrap classes

refs #5705
Remove bootstrap classes

refs #5705
Revert "Remove bootstrap classes"

This reverts commit 023bc33c42153486251b4b1d77045bcf72197905.
Revert "Remove bootstrap classes"

This reverts commit 682472ca6b744c80dce1b422520c4c072cb850d2.
Remove bootstrap classes

refs #5705
Re-design configuration interface

Conflicts:
	public/js/icinga/events.js
CSS hotfix
Make select forms look like select forms
Make arrows have more margin

refs #5705
Re-design configuration interface

refs #5705
Merge branch 'feature/cleanup-forms-html2-5705'

resolves #5705