Review and merge bigger forks

[toxicphreAK]

Bigger forks:

• https://github.com/michael-koeller/python-docx
  • custom properties
• https://github.com/VanOord/vo-python-docx
  • header & footer
  • captions & cross-reference (bookmarks)
• https://github.com/br-rkdrnf/python-docx/tree/footnotes
• https://github.com/python-openxml/python-docx/pull/784
  • https://github.com/revvsales/python-docx-1/tree/hyperlink
• [x] https://github.com/DQinYuan/python-docx/tree/section.paragraphs
• [x] https://github.com/miguelfreitas/python-docx
• https://github.com/madphysicist/python-docx/tree/enum-docs
• https://github.com/Yiqing-Zhou/python-docx/tree/master
• [x] https://github.com/BayooG/bayoo-docx
• https://github.com/jlovegren0/python-docx
• https://github.com/lnv42/python-docx/tree/feature/tableLooking

[Cyberwizzard]

+1 for getting review comment support from bayoo merged into this.

[toxicphreAK]

+1 for getting review comment support from bayoo merged into this.

Implemented in 85a30f1