1.4.2: Spotify improvements; few new themes

 2017-11-05 f5a3086 Yauhen Kirylau feat(themes: popart: poke_ice): use new spotify theme options
 2017-11-05 1ad65fc Yauhen Kirylau feat(oomoxify; gui: theme-model, export): expose spotify main colors to the GUI
 2017-11-04 3388683 Yauhen Kirylau feat(colors: popart: lb3; gui: terminal_temlates): add new terminal template and use in in leigh-bowery-3 theme
 2017-11-04 e46177e Yauhen Kirylau chore(colors): set terminal colorscheme for some of the themes
 2017-10-26 a66bb1a Yauhen Kirylau fix(oomoxify): remove duplicated trap
 2017-10-19 e223584 Yauhen Kirylau doc(readme): update text around screenshots
 2017-10-19 5d0b209 Yauhen Kirylau doc(readme): add link to Slackbuild and add note about ubuntu ppa
 2017-10-18 2d260b1 Akshay Chesnut oomox theme (#105)
 2017-10-13 c784dcc Yauhen Kirylau chore(gui: preview css: materia): re-generate preview css
 2017-10-13 4e035bd Yauhen Kirylau chore(submodules: materia): update
 2017-10-13 8f82dcb Yauhen Kirylau refactor(gui: preview): split preview module to gtk, icons and terminal
 2017-10-09 37b7c21 Yauhen Kirylau feat(spotify): hovered 'blue' button color
 2017-10-07 8edf523 nana-4 Add 'halloween' theme (#103)
 2017-10-04 845bbc9 Yauhen Kirylau chore(colors, gui, submodules, PKGBUILD): s/Flat-Plat/Materia/g