Thank @breser for his effort porting Bear to OSX
Added suppress warnings to release note
Devide rules into category; detail description for rules in size category
Rules details for the ones in convention category
Rule detail for ones in unused catalog
Rule details for redundant catalog
Details about rules in empty category
Rule details for basic catalog
Merge pull request #5 from lqi/master

Add detail descriptions, examples, thresholds, references and others for existing rules