Release 1.4.1 to master

Increase defaultVersionCode to 97 (#5037)

Version increase for v1.2.1

[Maintenance] Upgrade to Paintroid v2.9.0

Merge pull request #4531 from wslany/version-increase-v1.1.2

Version increase for v1.1.2

Merge pull request #4148 from Catrobat/release-v1.0.3

Release v1.0.3

Merge pull request #4127 from Catrobat/hotfix-release-1.0.2

Hotfix release 1.0.2

Merge pull request #4118 from Catrobat/release-v1.0.1

Release v1.0.1

Merge pull request #3842 from Catrobat/release-0.9.75

Release 0.9.75

Merge pull request #3721 from Catrobat/release-0.9.74

Release 0.9.74