Fixed bug re-sending the connection 'answer' message
Added support for oncancel callback
Alert dialog showed before unloading webapp
Policy file loaded only one time
Using policy last-modified date for policy accept
Check validity of policy using modified date against user accepted date
Fixed bug with files == undefined
Allow to select the same folder if policy was not accepted before
Allow to exit the application normally if we are not connected
Added mockup for the technical inform.
Execution permissions
Merge branch 'master' into gh-pages