added keyvaluestore, removed accidentally duplicated code
fix
fix
registered KeyValuePair in models.py
added meta class
added migration for keyvaluestore
fixed keyvaluestore
showing last timestamp in errorgroup list
fix
fixes
showing component in errordump list webfrontend
added backend api option to force-refresh dumps
added dump function to error class
fix
Merge branch 'master' of ssh://github.com/GLab/ToMaTo into errordump_fixes

Conflicts:
	backend/tomato/dumpmanager.py
Merge branch 'fixes' of ssh://github.com/t-gerhard/ToMaTo into errordump_fixes
fixed a model
adapted migration
fix
fix