improve performance with accent cache (#326).
adds userdefined space in tabline
workaround for #327
Merge pull request #328 from mikkeloscar/master

Adds userdefined space in tabline, workaround for #327
look up whitespace checks all the time. resolves #330.
document section layout ordering (#164).
Use VCSCommand to display revision if available
Merge pull request #335 from dzderic/master

Use VCSCommand to display revision if available
evaluate line number symbol. resolves #336.
disable vcscommand integration by default. resolves #340.
Add tmuxline extension
Merge pull request #347 from edkolev/tmuxline-extension

Add tmuxline extension
improve tabline performance during scroll (#362).
Hide hunks when Git Gutter is enabled, but current file is NOT under git version control
Merge pull request #364 from dmitrykruglov/master

Hide hunks when Git Gutter is enabled, but current file is NOT under git...
expose cleaner api to determine empty head.
fix possibility of the branch extension being unavailable. resolves #366.
Correct quickfix window detection pattern
Merge pull request #375 from qstrahl/master

Correct quickfix window detection pattern
eclim: only consider signs placed by eclim

Ref: https://github.com/bling/vim-airline/pull/293
Merge pull request #377 from blueyed/eclim-filter-signs

eclim: only consider signs placed by eclim