travis-publish-gh-page: shell script should fail when an error occures

Signed-off-by: Laszlo Budai <stentor.bgyk@gmail.com>
travis: GH_TOKEN replaced

Signed-off-by: Laszlo Budai <stentor.bgyk@gmail.com>
Merge pull request #21 from lbudai/master

update GH_TOKEN
travis: enable travis for all branches for debug purposes

Signed-off-by: Laszlo Budai <stentor.bgyk@gmail.com>
travis-publish-gh-page: remove redirection to /dev/null [debug]

Signed-off-by: Laszlo Budai <stentor.bgyk@gmail.com>
Merge pull request #23 from lbudai/master

 remove redirection to /dev/null [debug]