added new status panel with filtering by each status
some refactoring and little improvements
Stats panlel emprovements:
- added large build tatle (+tag) with enlaged status icons (processed/not) and refresh;
- stats table made look prettier;
- added total bugs count;
- added 'i'm veificator' checkbox with 'not implemented' status;
- old status panel removed;

other small improvements and refactoring, mostly, css;
Stats panel emprovements:
- added background color for statuses;
- better formatting and nicier view;
- hiding stats panel during loading process;
- pocessing indicator moved to center;
- other small improvements;

+ a couple of small global fixes and improvements.
status checkboxes are now saved in cookies
selected build status icon is now updated right after build info received