alpha version of export object
needs http://wkhtmltopdf.org and
npm install etherpad-lite-client
etherpad fail message (only firefox)
Merge branch 'develop' of https://github.com/winfel/wa_knowledge_structuring into develop
Added etherpad and  wkhtmltopdf info to the config file
Add a variable in config.local to point to the wkhtmltopdf and wkhtmltoimage executables
Change the exportFormat textfield to a dropdown list in the ExportObject
launch etherpad from webarena [beta version, work in progress], just supported in Windows OS,
Update of the EtherpadLauncher
Username from WebArena is now displayed in Etherpad
Update of EtherpadLauncher, first check if Eteherpad is already running
Merge branch 'develop' into exportObject
Merge branch 'develop' into exportObject
added required etherpad-lite-client to package.json; call npm link
Fix error when creating PDFs
Merge branch 'exportObject' of https://github.com/winfel/wa_knowledge_structuring into exportObject
I corrected the name of the variable that points to the start.bat file
little change
Merge branch 'exportObject' of https://github.com/winfel/wa_knowledge_structuring into exportObject
added error messages if etherpadlite.apikey or wkhtmltox.path is missing in the config
Merge branch 'exportObject' of https://github.com/winfel/wa_knowledge_structuring into exportObject

# By Alejandro Sandoval Parra (2) and Sharath (1)
# Via Sharath (2) and Alejandro Sandoval Parra (1)
* 'exportObject' of https://github.com/winfel/wa_knowledge_structuring:
  little change
  I corrected the name of the variable that points to the start.bat file
  Fix error when creating PDFs