BS-7776
Only check custom connector definition
BS-7776
Only check custom connector definition unit tests
BS-1088: fix grammar

Conflicts:
	bundles/plugins/org.bonitasoft.studio.common/messages.properties
BS-7402: Add translations (missing just one sentence in Deutsh)
BS-1088: update messages to have more precise explanation why the name
is not a valid java identifier
BS-2896: add updated image in the installer
BS-2896: update messages in the installer
BS-7856: update logo and installer to 6.3.0
Merge branch 'master' into 'MasterBugFixing'
Merge remote-tracking branch 'origin/master' into MasterBugFixing
Merge branch 'master' into 'MasterBugFixing'
ignore random failing test
Merge branch 'master' into 'MasterBugFixing'
Merge branch 'MasterBugFixing' into 'master'
Merge branch 'master' into 'MasterBugFixing'
Merge branch 'MasterBugFixing' into 'master'
Merge remote-tracking branch 'origin/master' into DataManagement