store.config.readConfigJSON() for reading package.json
store.config.readConfigSimple() can now handle yaml files
use store to read files during `mojito start`
renabled yaml functional tests
re-enable yaml support and accomodating multi-part ycb for application.json as well. this fixes issue #804
moving docs around
Merge pull request #916 from caridy/yaml

re-enable yaml support:
- closes #804
- appConfig can be used as part of mojito start
- comments are now supported