Fixing incorrect text-info-emphasis example for theme demos

[StephanieSunshine]

Summary: The text-info-emphasis example was missing the -emphasis suffix from its class definition. Here is a pull request to fix all examples.

Old: <p class="text-info">.text-info-emphasis</p>
New: <p class="text-info-emphasis">.text-info-emphasis</p>

Files Affected:
modified: docs/cerulean/index.html
modified: docs/cosmo/index.html
modified: docs/cyborg/index.html
modified: docs/darkly/index.html
modified: docs/default/index.html
modified: docs/flatly/index.html
modified: docs/journal/index.html
modified: docs/litera/index.html
modified: docs/lumen/index.html
modified: docs/lux/index.html
modified: docs/materia/index.html
modified: docs/minty/index.html
modified: docs/morph/index.html
modified: docs/pulse/index.html
modified: docs/quartz/index.html
modified: docs/sandstone/index.html
modified: docs/simplex/index.html
modified: docs/sketchy/index.html
modified: docs/slate/index.html
modified: docs/solar/index.html
modified: docs/spacelab/index.html
modified: docs/superhero/index.html
modified: docs/united/index.html
modified: docs/vapor/index.html
modified: docs/yeti/index.html
modified: docs/zephyr/index.html

[StephanieSunshine]

Same person, just on my personal account now. This should be all the index.html files fixed. Let me know if there is anything else needed. Thanks for the templates!

[thomaspark]

Looks good, thanks for the fix.