Update to go modules (#38)

By @mcristina422:

* update to go modules

.travis.yml

@@ -2,9 +2,7 @@ language: go
 
 # Versions of go that are explicitly supported.
 go:
- - 1.7.5
- - 1.8
- - 1.9
+ - 1.13.x
 
 # Required for coverage.
 before_install:

go.mod

@@ -0,0 +1,8 @@
+module github.com/grafana-tools/sdk
+
+go 1.13
+
+require (
+	github.com/gosimple/slug v1.1.1
+	github.com/rainycape/unidecode v0.0.0-20150907023854-cb7f23ec59be // indirect
+)

go.sum

@@ -0,0 +1,4 @@
+github.com/gosimple/slug v1.1.1 h1:fRu/digW+NMwBIP+RmviTK97Ho/bEj/C9swrCspN3D4=
+github.com/gosimple/slug v1.1.1/go.mod h1:ER78kgg1Mv0NQGlXiDe57DpCyfbNywXXZ9mIorhxAf0=
+github.com/rainycape/unidecode v0.0.0-20150907023854-cb7f23ec59be h1:ta7tUOvsPHVHGom5hKW5VXNc2xZIkfCKP8iaqOyYtUQ=
+github.com/rainycape/unidecode v0.0.0-20150907023854-cb7f23ec59be/go.mod h1:MIDFMn7db1kT65GmV94GzpX9Qdi7N/pQlwb+AN8wh+Q=

panel.go

@@ -174,9 +174,9 @@ type (
 		Op   string `json:"op,omitempty"`
 		Fill bool   `json:"fill"`
 		Line bool   `json:"line"`
-		// hexidecimal color (e.g. #629e51, only when ColorMode is "custom")
+		// hexadecimal color (e.g. #629e51, only when ColorMode is "custom")
 		FillColor string `json:"fillColor,omitempty"`
-		// hexidecimal color (e.g. #629e51, only when ColorMode is "custom")
+		// hexadecimal color (e.g. #629e51, only when ColorMode is "custom")
 		LineColor string `json:"lineColor,omitempty"`
 		// left or right
 		Yaxis string `json:"yaxis,omitempty"`