[Emacs] - Added a bunch of Yasnippets for easy Latexing math symbols
[Emacs] - Upgraded to Emacs 24.3

From website:
https://github.com/railwaycat/emacs-mac-port

Pros: 
 - Much improved start uptime
 - Texing seems somewhat working again

Cons:
  - Tramps hangs when listing files for / directory

  - Pomodoro gave startup-errors
[Emacs] - Added some new YAsnippets

c - for exponent C (a set theory complement)
larrow - A left arrow
rarrow - A right arrow
pm - Plus/minus symbol
pp - A bold P (probability)
s  - for intersection (set theory)
u - for union (set theory)
vb - Vertical bar (absolute sign)