MathJax 2.2

This adds MathJax 2.2 which is needed for the display of equations in
the framework.
Maths & Bug fix

This includes the maths functionality into compileHMTL(). It also fixes
a bug with compileHTML() where not all elements were displayed
correctly. The loadHTML() function has been slightly altered.
Bug Fix for "maths" tag

This fixes a bug that caused all equations to be shown in the same
container.
Merge pull request #1 from GRAPHITE-GITHUB/maths

Maths