Fixed blackhole bug and create flight bug. Add new Medal check.
Merge branch 'master' of https://github.com/yuye-liu/BlackWings

Conflicts:
	Classes/MainMenu/MenuSettings.cpp

Add Show New Medal Tip.
Merge pull request #17 from fusijie/master

Fixed some bugs , add medal check and show new medal tip.
Merge branch 'master' of https://github.com/yuye-liu/BlackWings into medal