Equinox in WCSTransformer is required. However, equinox is not required when reference system is ICRS. Then, when equinox is not found then equinox = 2000 by default.

Fix problem in OpenSearchVOSiaSearch in getDouble* getInt* and getFloat* methods : add a test when the value is empty
Bug fixed when the response is filtered
Adding cache mechanism for VO services (CSP, SIAP)
Add a cache in the proxy plugin
Decode parameter that is send by the client
Modify Java Heap space for cache in config file
- Fix a bug when parsing SIAP
- implementation of PGSHERE in progress
- SIAP implementation with pgsphere
Revert ""

This reverts commit b88d1f00f7a5e471df5e746db432fd38070461ca.
Apply PMD
Fix Resampling bug
Handling user input parameters validation by a decorator pattern
Add ImageNotFoundConverter
Add Crs in CoordinateSystem that must be displayed in crs properties
Support choice of the coordinates reference system in Reverse name resolver
Support choice of the coordinates reference system in ConeSearchSolarObject
Add coordinate system for SIAP and CSP applications
removing nh-pages from master
removing nh-pages from dev
Merge remote-tracking branch 'projet_original_master/dev' into dev

Conflicts:
	fr.cnes.sitools.ext.astronomy/build/struct.xml