- build: fix for new pppd (rh #548520)
    - core: add WWAN enable/disable functionality
    - ifcfg-rh: IPv6 addressing and routes support (rh #523288)
    - ifcfg-rh: ensure connection is updated when route/key files change
    - applet: fix crash when active AP isn't found (rh #546901)
    - editor: fix crash when editing connections (rh #549579)