Fix rare PclZip/realpath/PHP version problem

In PHP 5.4.4 realpath() handles absolute paths correctly, but in PHP 5.3.8 returns false.
Ensure temp file in pclzipAddFile() removed

Make pclzipAddFile() similar to pclzipAddFromString() in removing
temporary files.
Autoloader Options

Add the ability to set the autoloader options.
Merge branch 'fix-rare-pclzip-realpath-php-version-issue' of github.com:andrew-kzoo/PHPWord into develop
Merge branch 'fix-rare-pclzip-temp-file-issue' of github.com:andrew-kzoo/PHPWord into develop
Merge branch 'develop' of github.com:bskrtich/PHPWord into develop
Update change log and adjust some coding standards for #261, #265, and #267