Finish Release-0.7.1

- Fixed scrutinizer congi files.
Added code sniffer check in scrutinizer config.
Added mess detector config to scrutinizer.
Added copy/paste detector in scrutinizer config file.
Added HHVM config to scrutinizer.
Added LOC config to scrutinizer.
Fixed typos in the scrutinizer config file.
Added PDepend config to scrutinizer.
Added PHP Analyzer config to scrutinizer.
Fixed performance issue with the Str::nsprintf() function.
Removed commented code that is not necessary.
Removed unused variable assignment.
Fixed unused variable assigns.
Bumped version to 0.7.2
Finish Release-0.7.2

- Fixed most issues identified by scrutinizer.