New travis.yml file to get CI started.
Added autogen.sh to script
Added installl instructions apt-get install libsdl and libpng
Added sudo make install
fix :
installing libsdl2-dev
sudo needed for apt-get install
run apt-get update first
Added before_script and script: to test build.
cd to full path now
Cahnged full path
Removed apt-get update. Just to get sure it is needed  to install libsdl.
Update README
Added apt-get update again.
Update README
Merge branch 'travis' of github.com:d4ndo/libqrencode into travis
changed /home/travis by ~. added pwd to get some debug output.
Using cd tests now.
using cd tests in before_test: only.
Removed trailing whitespace
Try clang compiler.