personal: Configure tramp for remote sudo
personal: Python modes and keybinding

Add some "python modes" that change indentation preferences and set
flycheck and flymake off and a keybinding to change the mode.
personal: Set default font height to 9.0 pt
personal: Customize couple projectile variables

Shorten the mode line indicator to "Pt" and remove ".git" from
projectile-project-root-files-bottom-up to make Git submodules work
nicely with Projectile.
personal: Customize: Unset clean whitespace on save
personal: Customize: persp-set-last-persp-for-new-frames=nil