Notable changes:
2018-11-17 d74b1eb2 feat(presets_list): don't show directory name in children items
2018-11-17 03e8c5f4 fix(preview): make it fit better with different font size and so on
2018-11-17 1b2f71d6 feat: remove section names from GUI
2018-11-17 679fcf89 chore(plugins: oomox): update submodule (missing popover outline)
2018-11-16 de5030b0 feat: add import dialogs for plugins and show imported formats separately from native themix colorschemes
2018-11-16 981758cd fix(plugins: materia): update symlinks to generated css
2018-11-16 9acb6e67 feat(main, theme_file): make possible to import oomox color files
2018-11-16 88ca57c7 feat(plugin_loader): skip loading plugin and show error instead of exiting the app
2018-11-15 dfb12750 chore(plugins: materia): update submodule (border radius updates and more)
2018-11-13 588eec17 chore(plugins: arc): update submodule (create .themes dir if not exists)
2018-11-11 7c4ed319 chore(plugins: oomox): update submodule (window decorations fixes)
