Update travis to a 0.3 friendly style, I think

Author: IainNZ

.travis.yml

@@ -14,12 +14,7 @@ before_install:
     - git config --global user.name "Travis User"
     - git config --global user.email "[email protected]"
 script:
-    - julia -e 'versioninfo(); Pkg.init();'
-    - julia -e 'Pkg.add("DataFrames")'
-    - julia -e 'Pkg.add("DataArrays")'
-    - julia -e 'Pkg.add("BinDeps")'
-    - mkdir -p ~/.julia/SQLite
-    - cp -R ./* ~/.julia/SQLite/
-    - cd ~/.julia/SQLite/
+    - julia -e 'Pkg.init(); Pkg.clone(pwd());'
+    - julia -e 'Pkg.add("DataFrames"); Pkg.add("DataArrays"); Pkg.add("BinDeps")'
     - julia -e 'Pkg.build("SQLite")'
-    - julia test/test.jl
+    - julia test/test.jl