added vector stuff
Added backgroud image file to repo
Added random.h to repo
fixed random class and converted sprite to use it
changed min speed on moving sprites
Started trying to add acceleration, not working yet :(
Finnished acceleration in sprites
Cleanded up extra code in sprite.cpp
Fixed warning in manager constructer initilization list
Added phony target to allow running valgrind from make
updated background and sprite images
Merege from github
Moved constants to xml file and renamed sprite
variables
Minor cleanup stuff
Added README file
updated the readme file with Makefile info
added reserve that was missed
Added more tweeks and comments
Modified Makefile