add LICENSE file

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2014 Dmitri Shuralyov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -16,17 +16,17 @@ Installation
 ------------
 
 ```bash
-go get -u github.com/gobuffalo/github_flavored_markdown
+go get github.com/gobuffalo/github_flavored_markdown
 ```
 
 Directories
 -----------
 
 | Path                                                                                | Synopsis                                                                     |
 |-------------------------------------------------------------------------------------|------------------------------------------------------------------------------|
-| [gfmstyle](https://godoc.org/github.com/gobuffalo/github_flavored_markdown/gfmstyle) | Package gfmstyle contains CSS styles for rendering GitHub Flavored Markdown. |
+| [gfmstyle](https://pkg.go.dev/github.com/gobuffalo/github_flavored_markdown/gfmstyle) | Package gfmstyle contains CSS styles for rendering GitHub Flavored Markdown. |
 
 License
 -------
 
--	[MIT License](https://opensource.org/licenses/mit-license.php)
+-	[MIT License](LICENSE)

internal/shurcooL/highlight_diff/.travis.yml

@@ -11,6 +11,6 @@ install:
   - # Do nothing. This is needed to prevent default install action "go get -t -v ./..." from happening here (we want it to happen inside script step).
 script:
   - go get -t -v ./...
-  - diff -u <(echo -n) <(gofmt -d -s .)
-  - go tool vet .
+  - diff -n <(echo -n) <(gofmt -d -s .)
+  - go vet ./...
   - go test -v -race ./...