Will add automatic skeleton file creation and automatic language key/file additions based on which languages are enabled on the system.
Ready for review/merge; some tests may join later but they can just as well be added as a new PR. Feel free to merge if your tests are green!
[FEATURE] LLL file kickstarting - old language XML format
[FEATURE] Rewriting and kickstarting of XLF format LLL files
[TASK] Skip LLL rewriting for Column and Row components to avoid mess
[BUGFIX] Check type of assumed fields before attempting to set defaul…
[TASK] Fix - strike that, remove - failing test for write protected L…
[TASK] Minor improvements and cleanups in messages sent
[TASK] Automate a few key assignments when possible
[BUGFIX] Correct TCA array structure in test case
[TASK] Add fallback usage of Flux extensionName and form ID
[TASK] Adjust tests