fixed rule and formatter directories

compile rules and formatters to ./lib/rules and ./lib/formatters (instead of ./build/rules and ./build/formatters)
compile tests to ./build (instead of ./build/test)
fixed formatterLoader.ts and ruleLoader.ts CORE dirs relative to module.filename
* using this the core modules get resolved correctly when tslint is used by dependents (grunt-tshint etc)
check-in rules and formatters