Fixed missing callback on jsminify task
Fixes #25 - Added replacers for YUIVAR and YUIGLOBALVAR
Added --global-config/--no-global-config flag
Added --no-global-config to help text
Lookup .shifter.json file up the working path and apply the options
Add log when coverage files are skipped
Added --no-global-config option to all tests (in case a user has a global .shifter.json
Added util find method to search the working tree for a file
Version Bump
CLI options should override options in the config file
Added .shifter.json file docs
Docs
New Istanbul for coverage
Fixed bad colors in help text
Moved .shifter.json scanning after --help and --version calls
Version Bump
Docs
Config for CWD instead of process.cwd()
allow requiring of shifter
Fixed lint issue