i18n 7.x-1.25

Changes since 7.x-1.24
#2984895: Call to a member function get_translations() on boolean calling i18n_taxonomy_translate_terms with terms not translated yet
#2935866: Schema Mismatch on i18n_string.objectindex due to i18n_string_update_7003() from #2200647
#2974740: Menu title and description should not be sanitized in i18n_menu_preprocess_menu_admin_overview()
#2973611: _i18n_menu_link_description(): String sanitization should be disabled for the menu item's description to be displayed correctly

Changes since 7.x-1.22
Improved performance due to optional string cache by string group:
#2958586: enable caching for a specific translation group

New functionality / improved usability:
#2926752: provide the option to limit syncing only from the translation source

Bug fixes:
#2227181: Translating a term with an image field sets language to neutral
#2710717: URL field label not translated
#1107494: Make hook_node_view optional
#2912113: User should recive mails in the account preferred language
#2934425: "i18n-name" token does not work
#2929891: Random test failure in testStringsAPI()