Test before committing & sign your work

See #107.

Signed-off-by: Roger Sheen <roger@infotexture.net>

README.md

@@ -6,11 +6,13 @@ This repository tracks the source files for the [DITA Open Toolkit documentation
 
 We welcome contributions to the DITA-OT documentation. Please review the [guidelines for contributing][2] to this repository before creating issues or opening pull requests.
 
-To increase the chances of your changes being approved, please be sure to follow the [coding guidelines][3] and [best practices][4] outlined in the docs project wiki:
+For best results, follow the [coding guidelines][3] and [best practices][4] outlined in the docs project wiki:
 
-* [Commit related changes][5]
-* [Commit often][6]
-* [Write good commit messages][7]
+* [Test before committing][5]
+* [Commit related changes][6]
+* [Commit often][7]
+* [Write good commit messages][8]
+* [Sign your work][9]
 
 ## Building output
 
@@ -37,6 +39,8 @@ or:
 [2]:    CONTRIBUTING.md
 [3]:    https://github.com/dita-ot/docs/wiki/Coding-guidelines
 [4]:    https://github.com/dita-ot/docs/wiki/Git-workflow#best-practices
-[5]:    https://github.com/dita-ot/docs/wiki/Git-workflow#commit-related-changes
+[5]:    https://github.com/dita-ot/docs/wiki/Git-workflow#test-before-committing
 [6]:    https://github.com/dita-ot/docs/wiki/Git-workflow#commit-related-changes
-[7]:    https://github.com/dita-ot/docs/wiki/Git-workflow#writing-good-commit-messages
+[7]:    https://github.com/dita-ot/docs/wiki/Git-workflow#commit-often
+[8]:    https://github.com/dita-ot/docs/wiki/Git-workflow#writing-good-commit-messages
+[9]:    http://www.dita-ot.org/DCO