Unify PHP ZipArchive and PCLZip features into PhpWord ZipArchive
Test fixes
Deactivate ZipArchive::close test
Reorder code
Word2007: Reformat fonttable and theme parts
ODT: New Image and Table style writer
Bugfix #150: Page break adds new line in the beginning of the new page
Fix Travis test
Merge branch 'zip' into develop
Change Settings constants
Type hinting and docblock update
Add TCPDF and mPDF as optional PDF renderer library
Unit tests for TCPDF and mPDF
ODT Writer: Enable title element and custom document properties