feat(istanbul-reports)!: lcov reports now use relative paths (#168)

Author: Benjamin E. Coe

lib/report.js

@@ -40,16 +40,18 @@ class Report {
   }
 
   async run () {
-    const map = await this.getCoverageMapFromAllCoverageFiles()
     var context = libReport.createContext({
       dir: this.reportsDirectory,
-      watermarks: this.watermarks
+      watermarks: this.watermarks,
+      coverageMap: await this.getCoverageMapFromAllCoverageFiles()
     })
 
-    const tree = libReport.summarizers.pkg(map)
-
     this.reporter.forEach(function (_reporter) {
-      tree.visit(reports.create(_reporter), context)
+      reports.create(_reporter, {
+        skipEmpty: false,
+        skipFull: false,
+        maxCols: 100
+      }).execute(context)
     })
   }