instructions position made responsive to 'height' variable
Merge pull request #215 from jpecht/master

robust help text
Merge pull request #216 from jpecht/master

fixes
Updated social meta tags and other sharing features
merged css conflict
added generic description text for SEO
updated index sharing features.  made twitter content dynamic.
comments
Merge remote-tracking branch 'upstream/master'
fixed year indicator tooltip text
minor fixes
does not include companion if disabled
datatype switch