add sphinx configuration to rtd.yaml

Signed-off-by: foamyguy <foamyguy@gmail.com>

remove deprecated get_html_theme_path() call

Signed-off-by: foamyguy <foamyguy@gmail.com>

Merge pull request #54 from radiac/feature/change_rotation

Add rotate() to change rotation after init

unpin sphinx and add sphinx-rtd-theme to docs reqs

Merge pull request #50 from haugenmitch/update-display_text-documenta…

…tion

Update font documentation for display_text()

Merge pull request #51 from adafruit/dhalbert-patch-1

Missed one .show(...)

Merge pull request #49 from prcutler/root-group-fix

Update root_group for CP 9 compatibility

"fix rtd theme

"

Update .pylintrc, fix jQuery for docs

Merge pull request #44 from kalehmann/feature/display_sleep

Add property for OLED display sleep mode