New: price function can show price with currency symbol.
Fix: Use better test to show localtax to avoid problem when switching
from different country.
Perf: Can return all localtaxes in one call.
Merge branch 'develop' of https://github.com/Dolibarr/dolibarr.git into develop
Prepare code to be compatible when we will store localtax_type into
lines.
New: Still working on menu manager rewrite.
Fix: Return of function with no return should not be set into a
variable.
Qual: removed not used library
Update copyright files
Merge branch 'develop' of git://github.com/Dolibarr/dolibarr into develop