Fixes error in backend.
Merge pull request #1988 from GDmac/2.0

Fix #1983 and really fix #1985
Compiled CSS
jquery ui relative path for icons
Add type hinting
Play ball with instanceof
Simplify setContent() as we know we have a Bolt\Content object
PHPDocs
Update comment to reflect change in layout
Strip all parent paths from fatal errors
Remove unneeded DIRECTORY_SEPARATOR
require_once returns true at second call
Strip %info% block from handlers that don't use it
Homogenize getPath() result
style
codingstyle fixes
One less in insight: Text files should end with a newline character
Merge pull request #1991 from GawainLynch/hotfix/storageevent

StorageEvent hotfix and slight clean up
Merge pull request #1994 from GawainLynch/hotfix/comments

Update comment to reflect change in layout
Merge pull request #1998 from rixbeck/tests-1838

require_once returns true at second call in test
Merge pull request #1999 from GawainLynch/hotfix/fatal-error-handler-leaks

Strip all parent paths from fatal errors