Add support for Travis-CI
Return error code 1 when asciidocapi.py doctest fails
apt-get install needs root privileges
Update texlive for Travis-CI on Ubuntu 12.04 LTS
Add --yes to avoid hanging for a confirmation
Modified the way the command string is constructed for calling the text-based browsers (w3m, lynx, etc.).
Restored necessary quoting of file names.
Added variables W3M_OPTS, LYNX_OPTS for passing arguments to the selected text-based browser.
Include `-dump' into W3M_OPTS, LYNX_OPTS. adjusted `a2x' manpage to document the changes (also fixed a few typos).
Remove duplicate run of doctest.testmod
Add created .png to .gitignore
Adjust git clean command to clean all test data
Merge pull request #25 from florentx/with-travis

Add support for Travis-CI integration
Added Travis CI indicator to readme
Merge pull request #26 from jghub/a2xfix

Modified the way the command string is constructed for calling the text-browsers