Add Menu Configuration Management to WP8.1
Merge branch 'master' of https://github.com/fsferrara/mystica

# By Francesco Saverio Ferrara
# Via Francesco Saverio Ferrara
* 'master' of https://github.com/fsferrara/mystica:
  fix destinations on wp8
  fix context configuration
  best destination style
  download plugins froma a specific tag

Conflicts:
	merges/windows8/js/platform/ContextSpecific.js