Improve dialog trees, documentation and default font

[fleskesvor]

Adds font with better Unicode support, which finally fixes #40.

I'm not 100% sure how to best respect the license (SIL Open Font License), but I included the original license file and readme in a separate font directory and put a note in our readme. Do you know if this is the best way, @StraToN, or should we ask Akien?

[mjtorn]

Tested in our jam game, it works with colors and shadow-as-outline. IIRC the .tres files are project-specific, but I always find myself searching for https://godotengine.org/qa/20870/how-do-you-bring-fonts-into-godot-3-0 Should that maybe be pointed out or have a pointer to the official docs if they explain the thing? Either way, good work, much appreciated!

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On Tue, May 15, 2018 at 02:14:00PM -0700, Eivind wrote: Adds font with better [Unicode support](https://developers.googleblog.com/2016/10/an-open-source-font-system-for-everyone.html), which finally fixes #40. I'm not 100% sure how to best respect the license (SIL Open Font License), but I included the original license file and readme in a separate font directory and put a note in our readme. Do you know if this is the best way, @StraToN, or should we ask Akien? You can view, comment on, or merge this pull request online at: #166 -- Commit Summary -- * Use font with better language support -- File Changes -- M README.md (4) M device/demo/ui/dd_default.tscn (59) R device/demo/ui/dialog_default.tscn (44) M device/ui/dialog_player.tscn (3) A device/ui/fonts/LICENSE_OFL.txt (92) A device/ui/fonts/NotoSans-Regular.ttf (0) A device/ui/fonts/README (11) -- Patch Links -- https://github.com/godotengine/escoria/pull/166.patch https://github.com/godotengine/escoria/pull/166.diff

[fleskesvor]

Tested in our jam game, it works with colors and shadow-as-outline.

Thanks for testing. 🙂

IIRC the .tres files are project-specific, but I always find myself searching
for https://godotengine.org/qa/20870/how-do-you-bring-fonts-into-godot-3-0

Should that maybe be pointed out or have a pointer to the official docs

Good point. I will add a small doc on using and customizing dialogue, including fonts.

[akien-mga]

I'm not 100% sure how to best respect the license (SIL Open Font License), but I included the original license file and readme in a separate font directory and put a note in our readme. Do you know if this is the best way, @StraToN, or should we ask Akien?

All good :) 👍

[StraToN]

All good for me as well. 👍

[fleskesvor]

Thanks guys. ❤️

My second commit should address #41. It's not perfect, but it's much better than what we have.

[fleskesvor]

I improved the default dialog tree further and added some documentation on designing dialogs. I forgot that @mjtorn had written a section on designing speech dialog in a different chapter of the doc, but since most of that is more on configuration, I think I will move that into my TODO and cut the instructions that are duplicated.

[fleskesvor]

I moved the section on speech dialog into the new document on dialogs, and adapted it to not repeat the things from the previous section. Anyone want to look over the changes before it's merged?