bump gnome-terminal-colors-solarized submodule

 * usr/share/gnome-terminal-colors-solarized d9fcb57...84d885c (17):
   > Adapt the README to the last commits
   > Fix bug with gconf
   > Project more modular
   > set_dark and set_light apply theme for default theme
   > Complete the README
   > Remove unnecessary files
   > Adapt help to the new colors modifications
   > Profiles standardisation
   > New color palettes to fix colors in gnome terminal. Madea backup of old palettes in the colors/.palette*_backup files
   > Remove the 80 chars/l splitting
   > Fix typo in README
   > Revert "Fix hidden text with BASE03 by replacing with BASE01. For aruhier/gnome-terminal-colors-solarized#32"
   > Merge https://github.com/sveiss/gnome-terminal-colors-solarized
   > Fix hidden text with BASE03 by replacing with BASE01. For aruhier/gnome-terminal-colors-solarized#32
   > Invite anybody to make a fork for Mate
   > Move the python script in a branch
   > Merge pull request #41 from sveiss/fix-quoting