Add OnItemLongClickListener to  CaldroidListener
Merge branch 'master' of https://github.com/roomorama/Caldroid

# By thomasdao
# Via thomasdao
* 'master' of https://github.com/roomorama/Caldroid:
  Update to Joda v2.2, upgrade to work well on ADT build 22
Merge branch 'master' of https://github.com/roomorama/Caldroid

# By thomasdao
# Via thomasdao
* 'master' of https://github.com/roomorama/Caldroid:
  Custom backgrounds and text colors for different dates
- Custom modifications
Merge branch 'master' of https://github.com/roomorama/Caldroid

# By thomasdao
# Via thomasdao
* 'master' of https://github.com/roomorama/Caldroid:
  Improve performance
  Updated screenshot
  Refactor code
  Update screenshot

Conflicts:
	Caldroid/src/com/caldroid/CaldroidFragment.java