Update log_colorize.rb

probably a minor typo in REXP_REQUEST
FIX in regex of Request and Controller

Updated REXP_REQUEST to colorize request lines in logs with positive timezone (+0100)
Updated REXP_CONTROLLER to colorize controller lines in logs with format containing characters like '-', '/', '.' (text/event-stream)
Merge pull request #9 from salmanasiddiqui/patch-1

Update regex for request and controller