clean up Project name and license accessors

There is no case where we want #license() to return a different value
than #get('license') and the implementation of #name() needs an
explanation for why the same is not true for it and #get('name').

lib/project.js

@@ -78,21 +78,18 @@ function Project$gather(cb) {
   }
 }
 
+// returns the project name, defaulting to the package's directory name.
+// Note that this cannot defer to this.get('name') because that can return an
+// empty string when the name is missing.
 function Project$name() {
   if (this.normalizedPkgJSON && this.normalizedPkgJSON.name)
     return this.normalizedPkgJSON.name;
-  if (this.rawPkgJSON && this.rawPkgJSON.name)
-    return this.rawPkgJSON.name;
   if (this.rootPath)
     return path.basename(this.rootPath);
 }
 
 function Project$license() {
-  if (this.normalizedPkgJSON && this.normalizedPkgJSON.license)
-    return this.normalizedPkgJSON.license;
-  if (this.rawPkgJSON && this.rawPkgJSON.license)
-    return this.rawPkgJSON.license;
-  return 'SEE LICENSE.md';
+  return this.get('license');
 }
 
 function Project$get(key, dflt) {

test/test-project.js

@@ -44,6 +44,7 @@ test('package parsing', function(t) {
   t.ok(!('version' in p1.rawPkgJSON),
        'does not modify data on load');
   t.strictEqual(p1.nameVer(), 'testing@1.0.0-0');
+  t.strictEqual(p1.license(), 'SEE LICENSE.md');
   t.strictEqual(p1.version(), '1.0.0-0',
                    'reports 1.0.0-0 as version if missing');
   p1.version(p1.version());
@@ -148,5 +149,6 @@ test('package inference without package.json', function(t) {
   mkdirp.sync(SANDBOX_NOJSON);
   var p1 = new Project(SANDBOX_NOJSON);
   t.equal(p1.nameVer(), 'SANDBOX-no-json@1.0.0-0');
+  t.equal(p1.license(), 'SEE LICENSE.md');
   t.end();
 });