added jekyll config file
fixed typo and updated styles on 'html-entities.html'
added content to html-entities
Merge branch 'hotfix' into rel-v3.5.0
added support for multiple lines of vru-content
adjusted math blocks
removed 'scheme-' from ids
minor fixes to color scheme page
Merge branch 'rel-v3.5.0'
removed jekyll config, added nojekyll
updated styles
added symbols to logic and set theory
updated titles of binary relations and operations
fixed table caption border
fixed headings blog post meta
fixed i extend quotes-double
fixed delimiters in Code Objects
changed 'submit' to 'complete' in HTML
added class '.update' in HTML
removed 'hidden' attribute---JS will automate this