Added dot1x support to Juniper EX2200
Added dot1x documentation for Juniper
Cleanup config example Juniper dot1x
Corrected logging
Documentation impovement for Juniper
NEWS entry + logging correction in EX2200
Merge pull request #146 from julsemaan/feature/JuniperDot1x

Add 802.1x support to Juniper EX2200 and EX4200