Update grammars.yml

I just ran script/download-grammars and these are the changes it made.
The most notable one is that we had the wrong scope listed for Markdown.

grammars.yml

@@ -86,7 +86,7 @@ https://github.com/atom/language-csharp:
 - source.csx
 - source.nant-build
 https://github.com/atom/language-gfm:
-- text.html.markdown
+- source.gfm
 https://github.com/atom/language-javascript:
 - source.js
 - source.js.regexp
@@ -113,6 +113,7 @@ https://github.com/brandonwamboldt/sublime-nginx:
 https://github.com/bro/bro-sublime:
 - source.bro
 https://github.com/carsonoid/sublime_man_page_support:
+- source.man
 - text.groff
 https://github.com/ccreutzig/sublime-MuPAD:
 - source.mupad
@@ -145,6 +146,7 @@ https://github.com/eregon/oz-tmbundle/raw/master/Syntaxes/Oz.tmLanguage:
 https://github.com/ericzou/ebundles/raw/master/Bundles/MSDOS%20batch%20file.tmbundle/Syntaxes/MSDOS%20batch%20file.tmLanguage:
 - source.dosbatch
 https://github.com/euler0/sublime-glsl:
+- source.essl
 - source.glsl
 https://github.com/fancy-lang/fancy-tmbundle:
 - source.fancy
@@ -154,11 +156,14 @@ https://github.com/gingerbeardman/monkey.tmbundle:
 - source.monkey
 https://github.com/guillermooo/dart-sublime-bundle:
 - source.dart
+- source.pubspec
+- text.dart-doccomments
 https://github.com/harrism/sublimetext-cuda-cpp:
 - source.cuda-c++
 https://github.com/hww3/pike-textmate:
 - source.pike
 https://github.com/jeancharles-roger/ceylon-sublimetext:
+- module.ceylon
 - source.ceylon
 https://github.com/jfairbank/Sublime-Text-2-OpenEdge-ABL:
 - source.abl
@@ -210,6 +215,7 @@ https://github.com/nanoant/Julia.tmbundle:
 - source.julia
 https://github.com/nanoant/assembly.tmbundle:
 - objdump.x86asm
+- source.x86asm
 https://github.com/nilium/ooc.tmbundle:
 - source.ooc
 https://github.com/paulmillr/LiveScript.tmbundle:
@@ -239,6 +245,7 @@ https://github.com/slash-lang/Slash.tmbundle:
 - text.html.slash
 https://github.com/slavapestov/factor:
 - source.factor
+- text.html.factor
 https://github.com/slim-template/ruby-slim.tmbundle:
 - text.slim
 https://github.com/staltz/SublimeXtend:

lib/linguist/languages.yml

@@ -1725,7 +1725,7 @@ Markdown:
   - .mkdn
   - .mkdown
   - .ron
-  tm_scope: text.html.markdown
+  tm_scope: source.gfm
 
 Mask:
   type: markup