Enable RegexpLiteral cop

Change-Id: Ifd25e149edf96379bfa406f8c60bcf8939762bc3
Reviewed-on: http://gerrit.causes.com/37607
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>
Enable Void cop

Change-Id: I5a201f8ce5416bf9b6c09a21302138102f8ad735
Reviewed-on: http://gerrit.causes.com/37608
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>
Enable SpecialGlobalVars cop

Change-Id: I98c2f4d4f443f005c9e76660a7f2978c5d3eb4a4
Reviewed-on: http://gerrit.causes.com/37609
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Shane da Silva <shane@causes.com>