improve instructions
fix typo
fix typo
do not require a id_section parameter in invite
prevent admins from losing their admin privileges by accepting a non-admin invite
update INSTALL instruction with deployers section of the forum
remove reference to old google form for contacting the team
Merge branch 'master' of github.com:nbproject/nbproject
remove email
remove erroneous page into in title for youtube videos
add option to download all "gradeable comments" for a given file
change to support python<2.7
var non defined
Updated grunt to be compatible with new versions, improved makefile
Merge branch 'master' of https://github.com/nbproject/nbproject