use new storage account name generation method

use uuid to generate account name

change azure file account prefix

use uniqueID to generate a storage account name

fix comments

fix comments

fix comments

fix a storage account matching bug

only use UUID in getStorageAccountName func

use shorter storage account prefix for azure file

fix comments

fix comments

fix comments

fix rebase build error

rewrite CreateFileShare code logic

fix gofmt issue

fix test error

fix comments

fix a location matching bug