Initial work for migration to bootstrap
Update base template

- make alerts dismussable
- better session info handling
- add some eye candy
Make validation usable outside of WTF context
Update registration page
Update accound details editing. Update related test.
Update submission page
Re-wrote clients page and fixed typo
Separate stable and WIP client tables
Adding icons to logged in options
Remove 'all' group from index
Clean up client code and add some candy
Replace statustable with grids