Merge pull request #197 from sureshsundriyal/wip

[travis] Add 'make distcheck' to the test script.

.travis.yml

@@ -3,7 +3,7 @@ language: cpp
 compiler: gcc
 before_install:
     - sudo apt-get install -y -qq libgpm-dev
-script: ./autogen.sh && ./configure && make && make check
+script: ./autogen.sh && ./configure && make && make check && make distcheck
 after_script: test -e test/test-suite.log  && cat test/test-suite.log
 
 env: