Optimize getPackageDir() function
Updated help text for cmake options to address nupic.core/issues/74.
Updated contributor list!
Changed -- to -D to fix errors found by Utensil.
Merge pull request #119 from baroobob/master

Updated help text for cmake options
Merge pull request #118 from DavidRagazzi/fix-region-impl-factory

Optimize getPackageDir() function