[wizard] handle ids for ajax calls automatically
[wizard] changed "Number of Phases" to "Bundle Phases" in the sensor configuration (fixes #9)

Noone understood the old configuration and additional information isnt read neither so we try to make this more intuitive
[wizard] open links to msg in a new tab/window (fixes #10)
[wizard] added link to mysmartgrid to the ready page (fixes #12)