add activity log infrastructure
WIP: add specific IActivity implementations
WIP: add some activities
WIP: add CGUIWindowActivityLog
WIP confluence
TEMP GUI
[win32] update VS project files
addon browser: only try to remove addons from the listing if GetDirectory() succeeded
cosmetics in CGUIWindowAddonBrowser
CAddonInstaller: add the possibility to retrieve the information about which addon dependency failed
fix activity log
addons: add FullType() to IAddon and a specialization to CPluginSource
addons: support addon identifiers in addons:// paths
cosmetics: change addoninstaller.cpp to AddonInstaller.cpp in english language file
fix special activities
add activities for addon installation/update/uninstallation
fix win32