fix for page breaking issue with key terms
add css file for economics
misc fixes for economics throughout book
toc, answer key, blockquote, and misc other fixes for economics for final QA
recompile precalc and psychology
Merge pull request #312 from Connexions/economics-fixes

Economics bugfixes for Final QA
initial investigation for economics page header numbering bug
fix for appendices page header and subsequent solution for hiding h1 header
added title case transform to appendix titles
customize slots for figure captions
remove whitespace
regenerate CSS files
move figure caption to precalculus since it is specific
remove whitespace
allow page breaks inside tables
change blockquote font
remove table numbering for end-book solutions
add "Table" text
suppress table labels in end-of-book solutions
Merge pull request #347 from Connexions/economics-caption-341

Economics Serif captions