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
osgeo4w: move system directories to end of PATH (fixes #8629)
postgres provider: fix limit on geometry type detection with estimated meta data enabled
Replace AlArabiya font family with Sans, more likely to be found
Ignore geometry-less features when calculating layer extent (Fix #8805)
[spatialite] Support for LongLong (Fix #8636)
Typo in IT translation
[osm] Fix missing nodes with 64-bit ID (#8865)
[tests] Fix OSM unit test on Mac
Fix loading composer item frame thickness (fix #8866)
[spatialite] Fix LongLong type for SpatiaLite 4
creatensis: build installed.db for osgeo4w-setup
osgeo4w: merge 32 and 64 packaging scripts