[travis/php-5.3.3] Build on PHP 5.3.3 in addition to the latest 5.3 version.
Merge pull request #54 from bantu/travis/php-5.3.3

[travis/php-5.3.3] Also build on PHP 5.3.3 in addition to the latest 5.3...
[travis/php-5.5] Also build on PHP 5.5 environment.
Merge pull request #55 from bantu/travis/php-5.5

[travis/php-5.5] Also build on PHP 5.5 environment.
[coverage-html] Generate HTML code coverage report and rsync it out of travis.
[coverage-html] Use PHP version number in folder name.
[coverage-html] Add latest symlink.
[coverage-html] Add code coverage report link to readme.
[coverage-html] Put fingerprint of RSA host key into variable.
[coverage-html] Add comment to expect installation.
Merge pull request #57 from bantu/coverage-html

Travis CI: Generate code coverage HTML and persistently store it.
[coverage-text] Generate text code coverage report for output on travis console.
Merge pull request #56 from bantu/coverage-text

[coverage-text] Generate text code coverage report for output on travis ...
Merge remote-tracking branch 'upstream/master'