Merge pull request #3 from lts9165/master

zfd
Merge pull request #4 from lts9165/master

hello the rabbit
Update Calculator/src/mengwu/project/calculator/CalculatorActivity.java
1st modify README
注释了log输出
modify README, commit to testBranch
test
Merge branch 'testBranch' of github.com:blueolive/Simple-Calculator
tsli test
tsli test
ts
Merge branch 'master' of https://github.com/blueolive/Simple-Calculator
test
test