Remove non-required PEAR libraries from install script
Don't install PEAR libraries in Travis to speed things up
Get PHPCS 2.0 instead of 1.5
Remove pear upgrade-all that was waiting for user input in Travis
Merge pull request #755 from driusan/Install-RemoveUnusedPEARLibraries

Remove unused PEAR libraries
Added scrollbar option so BB can be scrollable when using Firefox.