clean up a bit
add scratch pad .. some reordering of .pro content
clean up files
change catalog to explorer and add featureconnector
add testdata notice
remove unnamed files
update scratch_pad
update highlighting and add qgis link
add postgis template note
remove data import hint as it is now available from repository and google drive now
Merge remote-tracking branch '52n/master'
Merge remote-tracking branch 'origin/master'
initiate pg connector metadata loading:
* find out what's available
* find out if geometry types are supported
* register as new resources to framework
validate input parameters
close db connection after registering resources, set extended types and name
add table loader for postgresql tables
add itFEATURE loading connector as we have want to differentiate between loading features (PostGIS) and plain tables
update instructions how to import test data
Merge remote-tracking branch '52n/master'

Conflicts:
	postgresqlconnector/postgresqlconnector.h
reflect API changes (type rename) to constructor signatures