Add support for EditorConfig.

I need a definition of the basic coding style. EditorConfig is an IDE
independent tool for this.

Author: stefanbirkner

.editorconfig

@@ -0,0 +1,14 @@
+# Configuration file for EditorConfig: http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = tab
+insert_final_newline = true
+tab_width = 4
+trim_trailing_whitespace = true
+
+[travis.yml]
+indent_size = 2
+indent_style = space

README.md

@@ -47,6 +47,9 @@ want to contribute code than
 * Ensure that you didn't break the build by running `mvn test`.
 * Fork the repo and create a pull request. (See [Understanding the GitHub Flow](https://guides.github.com/introduction/flow/index.html))
 
+The basic coding style is described in the
+[EditorConfig](http://editorconfig.org/) file `.editorconfig`.
+
 Fishbowl supports [Travis CI](https://travis-ci.org/) for continuous
 integration. Your pull request will be automatically build by Travis
 CI.