Lokaltog/powerline — pull request #938 by ZyX-I (2014-07-29 10:50:14+00:00)
Title: Do not let powerline trigger loading wrong python

Used python version is controlled by `g:powerline_pycmd`. User configuration now
has top priority: if `g:powerline_pyeval` is set powerline will not try to use
`pyeval()` emulation in old Vim versions.

Closes #937 as WONTFIX