fixed mathjax local config file; uploaded to separate repo

also updated first parts of phi.html
updated Math css; more work on intro of phi.html
fixed all math divs and spans in phi.html

also started redoing proof structures

TODO: fix all divs and spans throughout site
fixed classnames and LaTeX delimiters
changed classnames and add subclasses TODO: implement inline vs displayed math site-wide
started fixing inline/display math TODO: finish phi.html
simplified inline vs block mathjax TODO: finish phi.html
finished marking up phi.html

still TODO:
 - revamp the content (continued fraction derives fib seq)
 - make more relevant to site
 - implement CSS formatting of Theorem objects once maths project is done
Merge branch 'feat#16-math' into develop

Conflicts:
	core/doc/grid.html