typo in doc
create task_scan_launch
typo and pep8
allow env IRMA_FRONTEND_CFG_PATH to set the ini path
add web.core unittest before moving to sql
SQL db server config added
SQL model added and tested
Merge branch 'master' into testing-sql

Conflicts:
	lib
Merge branch 'testing' into testing-sql
Merge branch 'testing' into testing-sql
add sqlalchemy as requirements
pep8 fixes
Merge branch 'testing' into aquint-move-to-sql
SQL support added
Merge branch 'testing-sql' of https://github.com/quarkslab/irma-frontend into testing-sql

Conflicts:
	frontend/nosqlobjects.py
	frontend/sqlobjects.py
	frontend/tasks.py
	frontend/web/core.py
	lib
tasks.py merged
import fix in sqlobjects
SQL db connexion issue fixed
SQL connexion fix
import fix
SQL connexion issue fixed