Improvement of the search interface and extension of selection criteria (secondary target, dataset name, integration time, planetary longitude, sub-solar latitude etc.).

Complete update of all available data and completion of missing data levels. All products are now accessible except projections for Jupiter.

Addition of two Saturn and Uranus campaigns :
 Uranus, Nov. 2011 (ACS/STIS, 73 images, 9 spectra)
 Saturn, Mar.-Jun. 2012 (ACS, 230 images)