up to 1.10.4 (GTK 3.16)

up to 1.10.4 (GTK 3.16)

- adjust link_color and add styling for hyperlinks
- all themes: style bg of toolbar editor
- style dialog windows
- add new style classes settings for ContrastHigh themes
- restore progressbars for traditional themes
- improvements for traditional themes
- BlackMATE: re-work caja styling a bit
- improvements for BlackMATE theme
- improvements for Greenlaguna theme
- submarine themes: don't use dark colors for math calculators
- improvements for submarine themes
- improvements for menta themes