implements: renamed "covered" to "found"

To be clearer about what the tool detects, rename "covered" to "found"
such as not to indicate an undocumented but used function is considered
"covered". Future arguments about what "covered" really means to be
scheduled at a later date. :-)

Signed-off-by: John Mulligan <jmulligan@redhat.com>

contrib/implements/internal/implements/json_report.go

@@ -47,7 +47,7 @@ type jrPackage struct {
 		Missing    int `json:"missing"`
 		Deprecated int `json:"deprecated"`
 	} `json:"summary"`
-	Covered []jrFunction `json:"covered,omitempty"`
+	Found   []jrFunction `json:"found,omitempty"`
 	Missing []jrFunction `json:"missing,omitempty"`
 }
 
@@ -90,7 +90,7 @@ func collectFuncs(jp *jrPackage, ii *Inspector) {
 			if n := ii.visitor.docMap[cf.Name]; n != "" {
 				refm[n] = true
 			}
-			jp.Covered = append(jp.Covered,
+			jp.Found = append(jp.Found,
 				jrFunction{cf.Name, jrFlags(flags), mkeys(refm)})
 		}
 	}

contrib/implements/internal/implements/report.go

@@ -78,7 +78,7 @@ func (r *TextReport) Report(name string, ii *Inspector) error {
 					tags = " (" + strings.TrimSpace(tags) + ")"
 				}
 			}
-			fmt.Printf("  Covered: %s%s\n", cf.Name, tags)
+			fmt.Printf("  Found: %s%s\n", cf.Name, tags)
 		}
 	}
 	for _, cf := range ii.expected {