Bump python-docx from 0.8.5 to 0.8.6 in /app

[dependabot[bot]]

Bumps python-docx from 0.8.5 to 0.8.6.

Changelog

Sourced from python-docx's changelog.

0.8.6 (2016-06-22) ++++++++++++++++++

• Add #257: add Font.highlight_color
• Add #261: add ParagraphFormat.tab_stops
• Add #303: disallow XML entity expansion

Commits

• e784a73 release: prepare v0.8.6 release
• 5cb5820 docs: document TabStops and TabStop
• 58e2151 tab: add TabStops.clear_all()
• df04063 tab: add TabStops.delitem()
• 17e7e38 tab: add TabStops.add_tab_stop()
• 2bdaf7e acpt: add scenarios for add/remove tab stop
• 78ecbd6 tabs: add TabStop.leader setter
• 7f76a12 tabs: add TabStop.alignment setter
• edf8d03 tabs: add TabStop.position setter
• bcd4a55 acpt: add scenarios for TabStop property setters
• Additional commits viewable in compare view

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