Fix rollbackOnly transaction in xml import

If the transaction is rollBack Only, commit should trigger an exception in order to catch it.
Update docs links.

SDK documentation is available on http://axelor.com/docs/sdk
Add translation for 'More' in nav menu.
Version to 3.0.1
Fix gradlew.bat not deploying axelor-gradle

The gradlew.bat script should ensure the axelor
plugins are deployed in local ivy repository.
Fix dropdown menu z-index issue
Support __repo__ in data import expressions
Support i18n extract for js & html sources
Use csv based i18n messages
Update translations
Fix o2o formatting issue
Fix datepicker translation
Update translations
Update translations
Fix calendar view translation
Fixed o2m/m2m grid resize issue
Update chart empty data message
Fix editable grid issue
Fix grid cell highlight is not cleared issue
Fix picker input width in editable grid