update translation of tranditional chinese

1. update new string
2. revise words
word update
Version: Releasing version 2.7.9
Merge remote-tracking branch 'origin' into lang_cht
add new translation for motor disarm
cht update
Merge pull request #1113 from metalnow/lang_cht

Traditional Chinese translation
Android: Create a button for doing a takeoff into AUTO
Core: Switch to Loiter on disarm if landing on RTL or LAND

Fix issue #1108
Android: Renaming the flight action LOITER button to STOP
Core: Add the ability to pause at the current location
Android: Make the pause button stop the copter via GUIDED instead of switching to Loiter
Android: Formatting source
Core: Replaced possible bug in logic expression

It was a bitwise OR before, when it should have been a logic OR
Merge pull request #1115 from DroidPlanner/AutoTakeoff

Android: Create a button for doing a takeoff into AUTO
Merge pull request #1114 from DroidPlanner/switchModeWhenLanding

Core: Switch to Loiter on disarm if landing on RTL or LAND
Merge pull request #1116 from DroidPlanner/guidedStop

Guided stop