enhanced syntax CSW plain text queries
@organisation for organisation search
=word for exact word match
!word to exclude word
"word" or 'word' for title search

more to come
csw query syntax tested on default profile

 #word : search in keywords
 @word : search for organizations
 "word" or 'word' : search in title|alternatetitle
 +word : exact word match
 -word : to suppress entries with a specific word
 word : full search
new parameter CSW_FILTER_PROPERTIES to restrict full text search to some queryable properties

?word performs an AnyText search
wilcards allowed for the user
=> falls back to strict search
Merge branch 'master' into mapfishapp/cswfilter
Merge branch 'master' into mapfishapp/cswfilter
after discussion (thanks list) and testing :

* word  : search for word* on properties defined by GEOR.config.CSW_FILTER_PROPERTIES
* #word : search for word* in Subjects (keywords)
* @word : search for word* in OrganisationNames
* -word : pattern *word* excluded
* ?word : search for word* in AnyText
Merge branch 'master' into mapfishapp/cswfilter
Merge pull request #325 from georchestra/mapfishapp/cswfilter

Mapfishapp: enhanced syntax for csw querying