bugfixes for title case, ongoing answer key code additions
fixes for blockquote font when used in features
ongoing Answer Key fixes for economics
creation of figure, table and other selector structures for answer key elements
ongoing economics bugfixes centering around Answer Key tables and figure numbering
addition of exercise link-target structure to handle exericse anchor link and counter
addition to handle the numbering of tables consecutively throughout text including Answer Key
fixes for table and target-table counters in Answer Key
economics bug fixes for remaining Answer Key issues
fix for eoc headers to override existing universal selector in base-skeleton
Merge pull request #161 from Connexions/economics-bugfixes

Economics bugfixes for Answer Key and associated fixes