intermediate commit
Merge branch 'master' into devel

Conflicts:
	src/de/tub/citydb/modules/citygml/importer/database/xlink/resolver/DBGmlIdResolver.java
	src/de/tub/citydb/modules/citygml/importer/database/xlink/resolver/DBXlinkResolverManager.java
	src/de/tub/citydb/modules/citygml/importer/database/xlink/resolver/DBXlinkSplitter.java
Merge branch 'master' into devel
first steps towards texture atlas import
first steps towards texture atlas import
first steps towards texture atlas import
first version of texture import
first version of texture import
added CityGML import for bridge features
added CityGML import for tunnel features
added support for OTHER_GEOM in IMPLICIT_GEOMETRY
updated to latest development version of citygml4j
integrated 3DCityDB v3.0-postgresql skripts
delete useless sql files
wrong objectclass id for bridge
recreated procedure to handle cleanup of implicit geometries in DELETE.sql (+ some minor fixes) + function call in DELETE_BY_LINEAGE.sql
several bugfixes in DELETE.sql + new procedures to delete entries from tex_image table
relevant stuff
removed PL/SQL packages
intermediate commit