Add Meslo fonts to the fontconfig file
New fixed segment showing position of current view

Solves #539
Fixed version of #540 and #579
Works now for split windows and wrapped lines.
Merge branch 'develop' into feature/539-position-segment
Small fixes for new position segment

- use vim_funcs
- use a dictionary instead of a tuple for translation strings
Fix the identation of 10-powerline-symbols.conf
Merge pull request #729 from bricewge/develop

Add Meslo fonts to the fontconfig file
Fix Syntastic deprecation warning

`hasErrorsOrWarningsToDisplay` has been deprecated in Syntastic.
See: https://github.com/scrooloose/syntastic/commit/d629be9

This fixes the warning that appears when opening a new file:
"syntastic: warning: function hasErrorsOrWarningsToDisplay() is
deprecated, please use !isEmpty() instead"
Merge pull request #759 from fitztrev/syntastic-errors

Fix Syntastic deprecation warning
More test cases for position segment
Merge pull request #750 from EinfachToll/feature/539-position-segment

New (fixed) segment showing position of current view