Updated French translation: Dialog, Proxy

Signed-off-by: VirtualTam <tamisier.aurelien@gmail.com>
Merge pull request #463 from virtualtam/master

Updated French translation: Dialog, Proxy
DSL: Fix case of several headwords per one insided card
Full-text search: Highlight words with accent mark added by DSL tag
Some more error handling
DSL: Fix headwords normalizing
Some more errors handling
Fix removing of unused FTS index files in some special cases
A little tuning of interface
Lupdate all translations, update Russian translation
Update romaji.cc

Add long vowel mark
ins( "-", "ー" );
Fix rare and strange crash in modern UI
Merge pull request #466 from bkt92/patch-1

Update romaji.cc
Update lt_LT.ts
Merge pull request #468 from embar-/patch-2

Update lt_LT.ts
A little refactoring of wildcards in the input line handling
Fix compilation with Qt 4.6 (issue #470)
and fix typo in comments
Add some translations for "Full-text search".
Add some translations for "Full-text search".
Add some other translations.