Fixed: //FIXME : Should be a remote repository

Substituted local maven repo with github core-maven-repo.
Rewrite rules / metadata/{{uuid}} redirect to old srv/eng/home service (#551).

Add rule for accessing metadata in HTML in multinode configuration also.
eg. http://localhost:8080/geonetwork/node1/metadata/da165110-88fd-11da-a88f-000d939bc5d8
MEF Import does not set privileges when info.xml is defined (#552).
Restore the set property on data directory (may be used in XSLTs). It was removed at some point ...
ISO19139 / Fix editor saving topic category.
ISO19110 / Feature type is not available in simple view mode (#555).
Editor / Fix template field initialization when element does not exist. Only generate the element when requested in the editor.
Remove deprecated subtemplatemanager.js.
Comment deps to LinkTools which is not available (see #557).
Widgets / Advanced form / Group criteria contains an undefined value #556.
In multinodes mode do not rely on system variables in XSL to access data dirs #559.
Restrict node name characters to avoid extra match.
#564 Update main pom.xml sections to point GitHub instead of old SVN/Trac
Update pom.xml

changed github mvn repo url to https://raw.githubusercontent.com/geonetwork/core-maven-repo/master
Merge pull request #523 from matthias-mueller/develop

Fixed: //FIXME : Should be a remote repository
Merge pull request #560 from geonetwork/springmvc

Spring MVC from Bolsena codesprint
French translation / Fix typo.
Print map / Report error to user on failure.
New metadata creation / Fix group owner init when user has only one group.
Editor / Fix subtemplate search due to gn-search-results directive changes. JSlint.