improve performance when showing tabs in the tabline (#326).
uniq_tail improved formatter added
windows path replaced
dos path fixed
add skipped symbol fix
show tab nr condition moved to right place
docs updated, formatters moved to separate filenames
docs updated
docs updated
Merge pull request #388 from zdm/master

Supress tab numbers and improved uniq_tail formatter
tagbar link fixed

tagbar link was going to user's url.
Merge pull request #394 from f/patch-1

tagbar link fixed
Fixed modified tab/buffer not updating in tabline
Merge pull request #396 from gstewart/master

Fixed modified tab/buffer not updating in tabline
Add promptline.vim extension
solarized: use VertSplit bg for inactive statusline

Adjust foreground color accordingly, also for non-active modified
filename (to stand out).
Merge pull request #402 from edkolev/prompt-extension

Prompt extension
Minor spelling 

5th bullet point in Features section had the word "colorschemes"

Proposed fix: color schemes
Allow changes to airline_symbols.branch after init

If the user updates the airline_symbols.branch variable later in the vimrc, the value will not update after the initial init.  Since these variables are only used in the get_head() function, I moved them locally within the function to allow evaluation on each instance.
Merge pull request #412 from gabriellim/patch-1

Minor spelling