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
Merge pull request #347 from Connexions/economics-caption-341

Economics Serif captions
Merge pull request #348 from Connexions/economics-table-break

Economics table break
Merge pull request #349 from Connexions/economics-blockquote

Economics blockquote
manual merge of conflict fluff in .appendix section of economics