Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Fly-away Follow-Me fix

Filter out spurious location updates using average speed
(vs. arbitrary speed limit).

Fixes #1128
Merge pull request #1145 from kellyschrock/flyaway_avg_speed_upstream

Fly-away Follow-Me fix
restructured the update from @kellyschrock to encapsulate the sanity checks for 'follow-me'
Merge pull request #1146 from ne0fhyk/update_follow_logic

Encapsulate 'follow-me' speed sanity check
fixed the action mode menu resource.
updated mission listener interface to support multiple mission items.
fixed issue causing the detail fragment not to reappear after type switch.
desired functionality is in place. Some bugs remained to be fixed.
Fixed issue #1123
Merge pull request #1159 from ne0fhyk/fix_issue_1123

Fix issue 1123
Fixed issue #1158
Merge pull request #1160 from ne0fhyk/fix_issue_1158

Fixed issue #1158