Replace q promises to vow
Replace q to vow for src/libs/api.js module
Replace q to vow for src/libs/cmd.js module
Change command params from tag to tags and from branch to branches
Change command params from tag to tags and from branch to branches
Remove create_targets.js and execute_targets.js modules. Create model target for incapsulate all functionality
Add pattern for changelog and migration files
Replace q for vow in collect_sets module
Remove unused vow dependency for init.js module
Add some methods and jsdocs for target.js module. Remove unused methods
Remove unused code for util.js module