Start abstracting style forms

Fix exception resource leak CID 18304
Simplify beta features visibility
Fix exception resource leak CID 18093
Fix exception resource leak CID 18094
Fix resource leak CID 18101
Prevent a null reference exception CID 18102
Fix exception resource leak CID 18104
Fix exception resource leak CID 18108
Fix a null reference exception CID 18098 & 18110
Fix a null reference exception CID 18111
Fix null reference exception CID 18112
Updated Portuguese translation - thx moob :)
Updated change log
Display progress when parsing .ts files
Update LanguageMaster.xml.

[ci skip]
Formatting.

[ci skip]
Fix resource leak CID 18117
Fix exception resource leak CID 18120
Fix exception resource leak CID 18123
Fix resource leak CID 18128