Merged languages

Merged languages from transfix.com
Merge pull request #179 from antoniypetrov/master

Merged languages and translated hardcoded phrases
Merge branch 'master' of https://github.com/simpleinvoices/simpleinvoices into master_fixes

Merged languages from transfix.com by antoniypetrov
Multi Domain Fix backported from apmuthu fork
ACL roles
Some Languages header comments fixed for files from transifex
All entries got marked as translated "//1" instead of only the translated ones.
Languages Transifex Flag fixes - II
Update lang.php
Posodobitev prevoda v slovenščino v0.1 - sbandur84

Za začetek komplet prevedeno do 89. vrstice.
Posodobitev prevoda v slovenščino v0.1 - sbandur84
Slovenska posodobitev v0.1 - Sebastijan Bandur

Komplet prevod do vrstice 89.
Languages Transifex Flag fixes - III
multi-domain fix
Merge pull request #186 from sbandur84/master

Slovenian Translations merged
Update info.xml
Sl_SI lang.php corrected for untranslated string flags from transifex
Sl_SI lang strings fixed from sbandur84
Merge branch 'master' of https://github.com/simpleinvoices/simpleinvoices
#185 suggestion incorporated - UTF-8 collation note for new database creation
vi_VN transifex fixes and lang strings update
fr_FR transifex flag fixes