Information additions in fltg wiki page

[Ani Peter]

* Have added all feedbacks from l10n testing here [1]. Feel free to add 
if anything missed out.
* Have added a new section for action plan for test days for FLTG 
members here [2].

Thanks
Ani

[1] - https://fedoraproject.org/wiki/FLTG_Feedback
[2] - https://fedoraproject.org/wiki/FLTG_CHECK-LIST?rd=FLTG_CHECKLIST