Implement tailor made data structure and logic for text on a path rendering.

Remove postinstall script and dependencies on PerformanceBezier & QuartzBookPack.

scripts/install.js

@@ -1,20 +0,0 @@
-var path = require('path');
-var ghdownload = require('github-download');
-
-function downloadSubModuleFromGithub(user, repo, callback) {
-  var dist = path.join(process.cwd(), 'ios/' + repo);
-
-  console.log('\r\n Start downloading ' + repo + ' to `' + dist + '`');
-  ghdownload({user: user, repo: repo, ref: 'master'}, dist)
-    .on('end', function() {
-      console.log('Download ' + repo + ' library success!');
-      callback && callback();
-    })
-    .on('error', function (err) {
-      console.error('Download ' + repo + ' library from github failed with err:', err);
-    });
-}
-
-downloadSubModuleFromGithub('adamwulf', 'PerformanceBezier', function () {
-  downloadSubModuleFromGithub('magicismight', 'QuartzBookPack');
-});