page datasource clean

*still bugs
flexitests: extract config
Merge branch 'master' of github.com:Heigvd/Wegas

# By Benjamin Gerber
# Via Benjamin Gerber
* 'master' of github.com:Heigvd/Wegas:
  corrects superbind
  wegas superbind
  work on #170
  lasts changes on login v.3
  script is in export view now