Slate 0.9.0

• Added note tool (#136).
• Added a swatch-based textured fill (#74).
• Allow exporting animation previews as GIFs (#129).
• Enter can now be used to accept more dialogs.
• Ruler and guide visibility is now saved per-project instead of application-wide.
• Improved startup time by bundling fonts.
• Made tooltip timeouts more consistent.
• Fixed translations not working.
• Fixed save changes button having no effect.
• Fixed the New Project shortcut not triggering when there was no active project.
• Fixed issue where certain things weren't rendered in splitscreen.
• Fixed guides not being rendered on startup.
• Fixed current layer not being respected when loading layered image project.
• Fixed large delays on exit caused by the auto swatch system (#134):
  • Added an auto swatch image dimension limit of 2048x2048.
  • Added a limit to the amount of colours the auto swatch system supports (10000).
• Fixed the full screen tool button being disabled when no project is open.
• Fixed panels' expanded state not being saved.