Introduce missing source-repository entry (KSG Cabal 1.3.0 - 3). Refs #…

…196.

A Cabal file consists of, in order:
1. License or copyright information
2. Cabal version declaration and build type declaration
3. Package metadata
4. Source repository declarations, if present
5. Flag declarations, if present
6. Libraries, if present
7. Executables, if present
8. Tests, if present
9. Benchmarks, if present

yampa-test/yampa-test.cabal

@@ -56,6 +56,13 @@ extra-source-files:  CHANGELOG
 
 cabal-version:       >=1.10
 
+
+source-repository head
+  type:     git
+  location: git://github.com/ivanperez-keera/Yampa.git
+  subdir:   yampa-test
+
+
 library
   exposed-modules:     FRP.Yampa.Debug
                        FRP.Yampa.LTLFuture