testing

Testing using contents of vector field tooltip to check it can install
properly.
testing

changed script source from Manish to me
Update MathJaxButtonsScript.js

Added bra and ket buttons for physics.
Update MathJaxButtonsScript.js

Return to de-capitalization for pull request.
Update MathJaxButtons.user.js

Return to Manish's version for pull request
Merge pull request #5 from episanty/master

Dirac-ify