- Add support for talebot - New firmware upgrade

1. Rebuild the whole Blockly system, now the blocks of sensor can access to loops, logic, math blocks from Blockly. 2. Renew the DFU firmware onboard. It's NECESSARY to upgrade your Matatalab devices(MatataBot and MatataCon) before you use the app. 3. Synchronize the TextFeature of block to MatatalabScratch. 4. Update the pre-set examples.

1. Fix some bugs about Bluetooth. It is more stable and accessible than before. 2.Remake the way when dragging a block to delate. 3.Move the delete button of the "Folder" view to right-top. 4.Update the firmwares in the "Upgrade" view. 5.Add more language, now MatataCode was supported of : * English(en) * 简体中文(zh-hans) * Türkçe(tr) * Русский(ru) * Deutsch(de) * 한국어(ko) * Español(es) * Português Brasileiro(pt-PT) * Português Brasileiro(pt-BR) * Italiano(it) * Українська(uk) * 日本語(ja) * ภาษาไทย(th)

1.Add multi-language supported: CN, EN, DE, JA, KR, RU, ES, TH, TR, UK 2.Optimize UE of 'Code' view.

MatataCode has a main view from version 2.0 . You can access "Code" and "Upgrade" from this view. Notice the main view will dis-connect all bluetooth links to make sure the switch between views is clean. -Rebuild the "Code" view: 1.blocks has icon now, and text features has been modified 2.quick access to the code you already build 3.eight examples cover among most function of MatataBot and Matatalab Controller 4.support "Un-do" & "Restore" 5.double click on "Play" Button to focus on your code 6.double click on "Bluetooth" Button to list all Matatalab Devices nearby, choose one for quick switch -rebuild the "Upgrade" view 1.search before you actually start Upgrade process 2.every device at every upgrade step only provide one button 3.iOS device will not sleep during DFU process

1.fix the bug of Wheel Block's number display 2.Update the new DFU firmware of Tower and Bot

1.make the "Upgrade" view's buttons and the progress bar more clearly 2.fix some bugs with the DFU process

1.fix bug : the Upgrade process will crashed on iOS 13.0+

1.Fix some bugs about Blue-tooth Communication

1.add 'Upgrade' View. And in this view you can upgrade your Matata Device. You may need other software's to co-op with MatataCode to process the upgrade. 2.Use TabBar to switch from 'Code' and 'Upgrade'

1.add new blocks about sensor and led 2.add new blocks about bot's wheel control 3.re-style the user-interface , so it looks different with the original Blockly 4.now, you can use MatataCode to control both MatataBot and MatataCon

Fix some typos & update the launch view.