Fix the duplicated matchers issue
Add command line args for managing rules.
Add listing of enabled rules.
Extract filtering into RulesetFilter.
Create RulesetFilter inside options.
Pass filtered rules to RulesetBasedAnalyzer.
Use unordered set instead of vector for storing rules.
Convert spaces in rule names to CamelCase.
Slight code changes based on dog fooding results
Add <algorithm> inclusion
Merge pull request #69 from lqi/duplicated-matchers-patch

Fix the duplicated matchers issue