Improvments to CQL/ECQL parsing with regard to date/dateime parsing.

- modified grammer adding TEQUALS operator
- modified grammer to allow for date literals in regular binary comparison (ECQL)
- fixed some issues with regard to timezone offset handling
- made date/time/timezone extraction more robust with regular expressions
Merge pull request #147 from jdeolive/cql_date

Improvments to CQL/ECQL parsing with regard to date/dateime parsing.
GEOT-4411 - added some examples to user guide for cql TEQUALs and ecql datetime literals
[GEOT-4412] GDAL plugins create sample dimensions all with the same name (UNKNOWN) when no color interpretation is applicable to the image bands
GEOS-5693: Make app-schema joining the default implementation.
- fix broken build from last commit (non database backends should ignore default joining setting).
moved domain management to rastermanager
improving band stacking and filter checking
splitting dimensions for stacking
Domain descriptor with ranges support
added rangeComparators and rangeVisitors
Add tests involving time ranges, elevation ranges, wavelength ranges
clean up of prepare response method

large refactor of dimension stacking

improved creation of filters for input ranges
Fixing tests. Now the timeElevationH2 test and imagePyramid tests should work
Merge pull request #148 from dromagnoli/dimranges

GEOT-4413: Dimensions management improvement on ImageMosaic
aligning previous master-multidimraster branch with the current geotools master (10-SNAPSHOT)
Fixing coverage-experiment poms to depends on 10-SNAPSHOT
All spatioTemporalMetadata occurrencies has been changed to geoSpatialMetadata