move creation of gdal_pam to createDB (fixes #8613)
debian packaging update
update welcome image for standalone installer (fixes partly #8623)
osgeo4w: cpt-city-qgis-min was just moved, not removed (followup 564a62237)
osgeo4w: remove package directory before installing
osgeo4w: more 'improvements'
 * package(64).cmd:
  * remove apps/%PACKAGENAME% before install (ie. don't repackage old cruft)
  * context_help, function_help, qgis_help.db, delimitedtextplugin.dll and diagramoverlay.dll removed in 2.0
 * package64.cmd: cmake is in PROGRAMFILES(X86)
 * nsis: adapt WelcomeFinishPage.bmp format for NSIS (ie. resave in paint)
 * nsis: installer don't use 64bit settings when installing 32bit package on 64bit OS
fix qml file for directed edge layer in topoviewer plugin
fix #8507

made void connectNotify( const char * signal ) protected instead of private
made bool eventFilter( QObject *obj, QEvent *event ) protected instead of private
made void showEvent( QShowEvent * ) and void hideEvent( QHideEvent * ) instead of private
apply #8601
fix gui bindings with SIP 4.15
revert change of doxygen DOT_GRAPH_MAX_NODES
debian packaging: add jessie and saucy