fix #142
trivial
remove unnecessary models
update
add CODERNITY_DATABASE_PATH
when db inexists, create it
replace pyfeature
replace pyfeature
add codernity db
add lite_task_flow
update
trivial
first commit
fix bug
Merge remote-tracking branch 'origin/master' into issue142

Conflicts:
	requirements.txt
Merge pull request #154 from xiechao06/issue142

fix #142
fix #142
fix bug
Merge remote-tracking branch 'origin/issue142' into issue94

Conflicts:
	lite_mms/portal/delivery/views.py
fix bug