Bug 947563 - [Settings] Wifi hotspot settings...

...prevent users pressing OK w/o any error messages.

 - Removed password field in internet sharing panel.
 - Move security section before password.
 - Add password desc displayed when security option is NOT "open".
Bug 941637 - App icons don't have alt text so screen readers can't read them [r=ranbena]
Bug 953008 - NO_FTU variable typo in makefile
Indentation is corrected
Merge pull request #14943 from vsireesha246/Bug_938033_Stop_playing_downloaded_video_with_width/height=0

[Video]Bug_938033_[B2G][Helix][yangshiqi][video]the file in attachment can't be...r=johnhu
Revert "Indentation is corrected"

This reverts commit 4649435687309f07b851aca20d25d3c6f3a67360.
Bug 938033 - file is not recognized by video, but it can be played through transfered by bluetooth r=johnhu
Merge pull request #14945 from KevinGrandon/refix_bug_938033

Bug 938033 - Fix commit message
bug 949905 -  wait panel transition finished before focus input
Merge pull request #14893 from joshthecoder/bug947563

Bug 947563 - [Settings] Wifi hotspot settings... r=crh0716
Merge pull request #14947 from evelynhung/issue-949905

bug 949905 -  wait panel transition finished before focus input, r=arthur
Bug 952922 - Change Makefile rule dependencies to generate applications-data before building individual apps
Merge pull request #14933 from dmarcos/bug952922

Bug 952922 - Change Makefile rule dependencies to generate applications-...
Merge pull request #14918 from EverythingMe/941637-eme-aria

Bug 941637 - App icons don't have alt text so screen readers can't read ...
Merge pull request #14954 from kaichih/Bug-953008

Bug 953008 - NO_FTU variable typo in makefile r=@yurenju
Bug 909266 - Add settings helper for roaming perference