Merge pull request #19 from nicolasmoreau/master

display both recommended and not recommended processors in process area.
Extract methods used by forms to a separate interface,
start implementing radiative form of a queryTree page
Use unit-conversion range field for wavelength
Cosmetic changes, form update somehow doesn't work for the moment.
Decoupled form fields and QueryData.
Update event is propagated through fields and forms, not called direcly from xhtml view
Give the field reporting update as an argument for the callback
Go on debugging forms...
consumers usable with data from a node prefixed with ** to increase readibility