quick fixes to make the plugin work in QGIS 2.0

WARNING: this is an not official build, there will official new builds
available after september 2013 (after the QGIS Hackfest)
Overview widget port to 2.0 (Minpa Lee)
Version 1.1.1
Fix saving/loading on OSGeo4W 64bit and OS X. Thanks to Minoru Akagi!
Terms of Service / About dialog
Version 1.1.2
plugin_upload.py added to repo
Unused argument removed
Multithreaded rendering (WIP)
Merge branch 'master' into qgis20

Conflicts:
	openlayers/openlayers_layer.py
	openlayers/openlayers_ovwidget.py
	openlayers/openlayers_plugin.py
OL layer type refactoring