Merge branch 'master' into addon
reconstruction merging
storage directory cleanup
adding addonPaths to config
cosmetic fix
first addon started functioning
now query and start working well
detailed history addon as a core have been implemented
history add on have been added to project
bugfix in history add on
starting to introduce bucket write
small fix
creating constraint add on
constraint checker works in basic shape (missing the wiring on the client side)
wiring of project validation have been completed
now the default script in the META / constraint editor have been updated
style
cleaning storage implementations
Merge branch 'master' into addon

Conflicts:
	src/common/storage/client.js
	src/common/storage/server.js
adding import_project functionality to cli
small fix and export-project functionality have been added to cli