Switch to use jquery flot for the graph

All functions are kept except for the chromosome name at the top of the bar.
Add title to the plot and change the check to display the no QTLs info text
Oups, forgot to pass the variable to the template
Small changes in the size of the graph
Fix display of the LG bars next to the QTL bars on the graph
Adjust the web UI to the new backend
Save the plugin used in the config of the analysis and display it on the result page
Split the session form into two different forms

For some plugin the session identifier is not required, for other it is. 
So splitting into two forms allow us to use one or the other.
Handle case when there is no session to provide
Remove infos only from the MapQTL output

For the other plugins, display all the infos you can get
Make the input form more generic now that the plugin system is in place
Update the text on the templates to reflect the new plugin system
Since we remove the count column via the plugin, no need to delete the column 1 in the UI
Layout changes for the flotchart graph to make it look closer to our former graph
Make the bar a little larger which helps getting the tooltip showing correctly
Only turn the mouse into a pointer on the QTL bar as pointer == link
Add new inputs example for CSV and Excel inputs, link to them in the front page
Update link to the MapChart information page on the new WUR website
Rework the results template to remove reference to MapQTL
Add link to the pdf documentation in the help message of the input box