Allow custom clang checker include paths, add python
Replace custom flycheck init logic with flycheck's own function
Save abbrev file to tmp
Smart operator post-insertion indentation does not move point.
Run prog mode hook when starting python mode.
Load evil-numbers correctly and bind to C-- and C-= in normal mode
add smart-equals command for c
add var for explicitly setting clang checker c version
Smart operators handle increment and decrement correctly.