Issue #4294: Add unimplemented position getter/setter in MotionStreak
Issue #4294: Add override declaration
Issue #4294: MotionStreak: Improve position setters
Merge pull request #5622 from pandamicro/MotionStreakFix

closed #4294: Added unimplemented position getter/setter in MotionStreak.
Update CHANGELOG [ci skip]
set environment correctly on windows
Merge pull request #5625 from nutty898/develop_nutty_modify_framework_for315CrashFixed

Fixed crash
Merge pull request #5626 from minggo/install

set environment correctly on windows