Drop testing of go1.1.2

since it's already a fairly diverged set of tests, and the fact that it passes
appears to be causing issues with overall CI build status, which is probably
some odd issue that surfaces because we're using `matrix.include`

.travis.yml

@@ -20,12 +20,6 @@ matrix:
   include:
   - go: 1.6.2
     os: osx
-  - go: 1.1.2
-    install: go get -v .
-    before_script: echo skipping gfmxr on $TRAVIS_GO_VERSION
-    script:
-    - ./runtests vet
-    - ./runtests test
 
 before_script:
 - go get github.com/urfave/gfmxr/...