Release notes/13.2.0

• First boot much quicker than before
• Fixed some bottlenecks in pygobject/g-i, faster sugar and activity startup
• Journal Share
• Music Keyboard
• 8787 wireless scans faster
• XO-4 power management enabled
• XO-4 sound recording in Squeak works (<trac>12400</trac>)
• XO-4 sound recording in Etoys works (<trac>12549</trac>)
• No more XO-4 white screen on shutdown (<trac>12543</trac>)
• No more XO-4 cursor corruption (<trac>12556</trac>)
• No more general XO-4 graphics corruption (<trac>12536</trac>)
• ds-backup works again (<trac>12663</trac>)
• New XO-1.75 firmware has sound incompatibility when used on old releases (<trac>12637</trac>)
• XO-4 wake-on-WLAN more reliable (<trac>12573</trac>)