Update metadata (copyright)

also remove trailing empty lines in test files

update changelog for 0.9

update changelog for v0.8

Merge pull request vim-airline#651 from chenaren/byfname

Show the byfname toggle in status line of CtrlP

a min tab count of 1 is the same as always showing (vim-airline#304).

support for conditional parts. resolves vim-airline#238.

check both resolved and unresolved paths (vim-airline#187).

Merge pull request vim-airline#132 from monstermunchkin/master

update tagbar extension

deprecate fugitive variable names in favour of scm-agnostic variable …

…names

allow themes to determine bold,italic,etc via the generate_color_map …

…function