add a return value
creat and open file methods have been finished.
first 4 methods have been done.
5 finished
assignment 1 has been finished by yangyangxie
lastest version of assgin1
add some necessary comments to the code
spell check;
change the format.
final version of assign 1
add more error indicators
Add makefile
Makefile
fianl version
Update README.md
Readme
Modify readme and makefile
Merge branch 'jerry' of github.com:cs525ProjectGroup/code into jerry

Conflicts:
	assign1/cs525_project/cs525_project.xcodeproj/project.xcworkspace/xcuserdata/xieyangyang.xcuserdatad/UserInterfaceState.xcuserstate
	assign1/cs525_project/cs525_project.xcodeproj/xcuserdata/xieyangyang.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
	assign1/cs525_project/cs525_project/storage_mgr.c
	assign1/cs525_project/cs525_project/test_assign1_1.c
sort the file