Preferences: Item list: Add column for change font size
File list: Column editor: Add ability to save font size
File list, Owner column: use saved font size
Plugin base: Column editor extension: Add get_font_size method
Merge pull request #13 from ArseniyK/font_size

Create option to customize font size for each column.
Merge branch 'master' of github.com:MeanEYE/Sunflower into release