0x notation for colours
Change from 0x to '#' colour notation
Test the case of scientific notation
Test the case of colour
Add EULA to geoserver externals
Follow expected mvn naming for EULA

Allows it to be automcatlly included in src/bin archives:
       <include>README*</include>
       <include>LICENSE*</include>
       <include>NOTICE*</include>
Encode filters with embeded CQL markers