fix misc golint and gofmt issues

Author: willnorris

github/gists.go

@@ -157,7 +157,7 @@ func (s *GistsService) Get(id string) (*Gist, *Response, error) {
 	return gist, resp, err
 }
 
-// Get a specific revision of a gist.
+// GetRevision gets a specific revision of a gist.
 //
 // GitHub API docs: https://developer.github.com/v3/gists/#get-a-specific-revision-of-a-gist
 func (s *GistsService) GetRevision(id, sha string) (*Gist, *Response, error) {

github/licenses.go

@@ -21,7 +21,7 @@ type License struct {
 	Name *string `json:"name,omitempty"`
 	URL  *string `json:"url,omitempty"`
 
-	HTMLURL        *string   `json:"html_url",omitempty`
+	HTMLURL        *string   `json:"html_url,omitempty"`
 	Featured       *bool     `json:"featured,omitempty"`
 	Description    *string   `json:"description,omitempty"`
 	Category       *string   `json:"category,omitempty"`
@@ -57,7 +57,7 @@ func (s *LicensesService) List() ([]License, *Response, error) {
 	return *licenses, resp, err
 }
 
-// Fetch extended metadata for one license.
+// Get extended metadata for one license.
 //
 // GitHub API docs: https://developer.github.com/v3/licenses/#get-an-individual-license
 func (s *LicensesService) Get(licenseName string) (*License, *Response, error) {

github/licenses_test.go

@@ -27,7 +27,7 @@ func TestLicensesService_List(t *testing.T) {
 		t.Errorf("Licenses.List returned error: %v", err)
 	}
 
-	want := []License{License{
+	want := []License{{
 		Key:  String("mit"),
 		Name: String("MIT"),
 		URL:  String("https://api.github.com/licenses/mit"),

github/repos_releases.go

@@ -96,7 +96,7 @@ func (s *RepositoriesService) GetLatestRelease(owner, repo string) (*RepositoryR
 	return s.getSingleRelease(u)
 }
 
-// GetLatestReleaseByTag fetches a release with the specified tag.
+// GetReleaseByTag fetches a release with the specified tag.
 //
 // GitHub API docs: https://developer.github.com/v3/repos/releases/#get-a-release-by-tag-name
 func (s *RepositoriesService) GetReleaseByTag(owner, repo, tag string) (*RepositoryRelease, *Response, error) {