move road.h's variables to road.cpp;
add mapform.ui add mapform.h add mapform.cpp;
modify main.cpp a little;
modify widget
add the start and destination icon, draw the path
Add the start and destination icon; draw path
Add the start and end icon; draw path
update the GPSMapApp/GPSMapApp.pro.user
Update the commit
update commit
rm GPSMapApp/myframe.cpp
Merge branch 'master' of https://github.com/minxinfeng/Embedded

Conflicts:
	GPSMapApp/GPSMapApp.pro.user
	GPSMapApp/posNode.h