Merge pull request #150 from Bumanji/master

Update chinese translations
Added the abbreviation for time and timesptamp, both with timezone:
timetz and timestampz. (issue #151)

Fixed a bug that was causing pgModeler to complain about duplicated
elements on indexes (on the loading process).
Minor fix: renamed "timestampz" to "timestamptz"
Update FR language, review still needed
Merge pull request #152 from toorpy/master

update FR language
Update FR translation with the missing phrases
Modify FR 'export model' translation
Merge pull request #153 from toorpy/master

Update FR translation with the missing phrases
Fixed bug related to XML entities on View's WHERE expression(issue #154)

XML Entities treatment moved from BaseObject to SchemaParser
Reviewed the mainwindow.cpp and modified mainwindow.cpp and configurationform.cpp.