Basic cleanup of source strings review

Signed-off-by: Michal Čihař <michal@cihar.com>
Replace gif loading icon with glyphicon one

Signed-off-by: Michal Čihař <michal@cihar.com>
Use color for status icons

Signed-off-by: Michal Čihař <michal@cihar.com>
Add link to change subscriptions to emails

Signed-off-by: Michal Čihař <michal@cihar.com>
Merge branch 'master' into bootstrap