Update README

Author: seratch

README.md

@@ -1,4 +1,4 @@
-## ScalikeJDBC-Async [![Build Status](https://travis-ci.org/scalikejdbc/scalikejdbc-async.svg?branch=develop)](https://travis-ci.org/scalikejdbc/scalikejdbc-async)
+## ScalikeJDBC-Async [![Build Status](https://travis-ci.org/scalikejdbc/scalikejdbc-async.svg?branch=master)](https://travis-ci.org/scalikejdbc/scalikejdbc-async)
 
 ### ScalikeJDBC Extension: Non-blocking APIs in the JDBC way
 
@@ -49,9 +49,9 @@ val appDependencies = Seq(
 
 ### Example
 
-- [programmerlist/ExampleSpec.scala](https://github.com/scalikejdbc/scalikejdbc-async/blob/develop/core/src/test/scala/programmerlist/ExampleSpec.scala)
-- [programmerlist/Company.scala](https://github.com/scalikejdbc/scalikejdbc-async/blob/develop/core/src/test/scala/programmerlist/Company.scala)
-- [programmerlist/Programmer.scala](https://github.com/scalikejdbc/scalikejdbc-async/blob/develop/core/src/test/scala/programmerlist/Programmer.scala)
+- [programmerlist/ExampleSpec.scala](https://github.com/scalikejdbc/scalikejdbc-async/blob/master/core/src/test/scala/programmerlist/ExampleSpec.scala)
+- [programmerlist/Company.scala](https://github.com/scalikejdbc/scalikejdbc-async/blob/master/core/src/test/scala/programmerlist/Company.scala)
+- [programmerlist/Programmer.scala](https://github.com/scalikejdbc/scalikejdbc-async/blob/mastesr/core/src/test/scala/programmerlist/Programmer.scala)
 
 ```scala
 import scalikejdbc._, async._
@@ -104,7 +104,7 @@ Transactional queries should be executed in series. You cannot use `Future.trave
 
 See the play-sample project:
 
-https://github.com/scalikejdbc/scalikejdbc-async/blob/develop/play-sample
+https://github.com/scalikejdbc/scalikejdbc-async/blob/master/play-sample
 
 ### FAQ
 
@@ -114,7 +114,7 @@ ScalikeJDBC-Async and [postgrsql-async and mysql-async](https://github.com/mauri
 
 #### Is it possible to combine scalikejdbc-async with normal scalikejdbc?
 
-Yes, it's possible. See [this example](https://github.com/scalikejdbc/scalikejdbc-async/blob/develop/core/src/test/scala/sample/PostgreSQLSampleSpec.scala).
+Yes, it's possible. See [this example](https://github.com/scalikejdbc/scalikejdbc-async/blob/master/core/src/test/scala/sample/PostgreSQLSampleSpec.scala).
 
 #### Why isn't it a part of scalikejdbc project now?