Merge pull request #93 from FHenry/3.5

Big Code Review and factoring
Merge pull request #94 from FHenry/3.5

review PSR2 (just remove useless space)
Improve admin usability (based on work by marco into dolibarr project) // Kill the most longest button of the world // Inverted sens in bookkeeping for suppliers invoices
Same think ;)
Merge pull request #95 from aspangaro/3.5

Update 3.5
Update version
Merge pull request #96 from aspangaro/3.5

Update version
about update
Fix :: Modify access on page ventilation done
Fix :: account_parent is an int, not an other account number
Fix in Dolibarr core on progress
Merge pull request #97 from aspangaro/3.5

Update 3.5
About presentation & language key
Next
Update language
Merge pull request #98 from aspangaro/3.5

Presentation & language
Update general ledger by year
Merge pull request #99 from aspangaro/3.5

Update general ledger by year