removing custom mapfish print
updating mapfish print server to 2.1.0

Using the standard version from the maven repository:
http://search.maven.org/#search%7Cga%7C1%7Cmapfish-print
updating buildout cfg
Filter search results by bbox if present
Merge pull request #812 from geoadmin/mom_update_mapfish_print

Update mapfish print war to 2.1.0
Merge pull request #813 from geoadmin/gjn_filter_bbox

Filter search results by bbox if present
Support origin filtering
Testing origins parameter
Add doc for parameter origin
Remove features param from location search