Merge remote-tracking branch 'origin/pr/109'

Conflicts:
	src/DebugBar/Resources/widgets/sqlqueries/widget.css

Merge pull request php-debugbar#117 from geekwright/sqlwrap

Add wrap to SQL code block  to make queries fully visible

Merge pull request php-debugbar#111 from barryvdh/patch-6

Add title to variable keys

avoid triggering error if hljs is not loaded (fixed php-debugbar#107)

added missing fonts (fixed php-debugbar#106)

removed unneeded files in vendor assets

code conventions

added syntax highlighting (fixed php-debugbar#99)

renamed DataFormater to DataFormatter (oups!)

updated docs and changelog