Merge pull request #7 from d0/master

Fix Travis-CI Status icon
don't install openssl for distcheck

avoid complaints about OpenSSL's files that are left for uninstalling
build cvcprint with emscripten
integrate coverty scan to travis-ci
generate a real rst file from our sphinx' docs
gave up on generating github compliant rst

use a link to our projects website instead
added more information in README.md
Big parameter passed: fixed
Nesting level does not match indentation: fixed
Argument cannot be negative: fixed
Explicit null dereferenced: fixed
Logically dead code: fixed
Unchecked return value: fixed