- added: force_convert parameter for utf8_to_windows1252 and windows1252_to_utf8 functions because if the ICS backend is loaded in CombinedBackend and Zarafa > 7 STORE_SUPPORTS_UNICODE is true then the convertion will not be done for other backends.
- added: force_convert parameter for utf8_to_windows1252 and windows1252_to_utf8 functions because if the ICS backend is loaded in CombinedBackend and Zarafa > 7 STORE_SUPPORTS_UNICODE is true then the convertion will not be done for other backends.

git-svn-id: 6fb01951c432009c207b06614a757dd2b474ca31@708 b7dd7b3b-3a3c-0410-9da9-bee62a6cc5b5

diorcety/orig-zpush