[Dart] resync Dart .jade files, post-TS-RC5

[chalin]

Follow up to #2043.

• guide/architecture.jade
• guide/attribute-directives.jade
• guide/component-styles.jade
• guide/dependency-injection.jade
• guide/displaying-data.jade
• guide/hierarchical-dependency-injection.jade - docs(hierarchical-di): post-RC5 Dart resync #2080
• guide/lifecycle-hooks.jade - docs(lifecycle-hooks): post-RC5 Dart resync #2141
• guide/pipes.jade
• guide/security.jade
• guide/server-communication.jade
• guide/structural-directives.jade
• guide/template-syntax.jade - docs(template-syntax): post-RC5 Dart resync #2121
• quickstart.jade - docs(quickstart): post-RC5 Dart resync #2078, chore(quickstart/dart): refresh ts _cache #2089
• tutorial/toh-pt6.jade - docs(toh-6): post-RC5 Dart resync and TS fixes #2095