wrote a readme file
add distributed
append GPL
add license
git tracks changes
Revert "git tracks changes"

This reverts commit 98a3fd38033d5e6105ef4d639de8a6a188d77e6c.
add a bad update
Revert "add a bad update"

This reverts commit 5e09cbd233ba3408e92c710aa86065767d5972fb.
readme.txt
Revert "readme.txt"

This reverts commit f849e275f53880a218de90e0b352759e63ad2b93.
remove yxy.txt
create yxy.txt
add yxy.yxy
readme.txt update
Merge branch 'master' of https://github.com/yangzhen/mingyue