update README
add support for pip
change State() to state()
hide cancel button in progress bar
fix on missing configuration file
fix for missing nxscreate options
add GNOME_DESKTOP_SESSION_ID
add info about mandatory components
update datasource widget
add the datasource excluded extension into component list
add standard component creator
update Help menu
fix fetching datasource elements
fix misprint in MainWindows
fix in currentListElement of ElementList
fix misprint
fix for missing message
fix for repair datasources
change command logs to debug level
add logger windows