Merge pull request #281 from codiophile/master

Added "/usr/bin/git" to the searchLocations.

Author: rowanj

Classes/git/PBGitBinary.m

@@ -114,6 +114,7 @@ + (NSArray *) searchLocations
 					 nil];
 
 		[locations addObject:[@"~/bin/git" stringByExpandingTildeInPath]];
+		[locations addObject:@"/usr/bin/git"];
 	}
 	return locations;
 }