Merge pull request #1069 from github/sbt

[Global/SBT] Fix documentation URL

Global/SBT.gitignore

@@ -1,5 +1,5 @@
-# SBT .gitignore
-# recommended: http://code.google.com/p/simple-build-tool/wiki/Setup#Version_Control
+# Simple Build Tool
+# http://www.scala-sbt.org/release/docs/Getting-Started/Directories.html#configuring-version-control
 
 target/
 lib_managed/