Add new color theme: hybrid
Merge pull request #434 from yasuoza/hybrid-theme

Add new color theme: hybrid
tagbar: only lookup tag once every second

This makes scrolling (holding done j/k) much smoother, and the current
tag gets pulled in via CursorHold anyway.

Fixes https://github.com/bling/vim-airline/issues/387
Merge pull request #441 from blueyed/tagbar_once_per_second

tagbar: only lookup tag once every second