Code refactoring process done.

Fixed bug related to the issue #139

Fixed bug related to the issue #138
Update chinese language files and fix a bug about change owner message.
Update chinese language files and fix a bug about change owner message.
Update on READEME.md
Merge pull request #140 from Bumanji/code-refactoring

Update chinese language files and fix a bug about change owner message.
Update on README.md
Updated fr_FR :)
Merge pull request #141 from babs/code-refactoring-trans-fr

Updated fr_FR french translation.
Merge remote-tracking branch 'upstream/code-refactoring' into translation-ru
update russian translation