Moves libtextsecure to Typescript

* Starting to work through lint errors

* libsignal-protocol: Update changes for primary repo compatibility

* Step 1: task_with_timeout rename

* Step 2: Apply the changes to TaskWithTimeout.ts

* Step 1: All to-be-converted libtextsecure/*.js files moved

* Step 2: No Typescript errors!

* Get libtextsecure tests passing again

* TSLint errors down to 1

* Compilation succeeds, no lint errors or test failures

* WebSocketResources - update import for case-sensitive filesystems

* Fixes for lint-deps

* Remove unnecessary @ts-ignore

* Fix inability to message your own contact after link

* Add log message for the end of migration 20

* lint fix

Gruntfile.js

@@ -53,28 +53,12 @@ module.exports = grunt => {
           footer: '})();\n',
         },
         src: [
-          'libtextsecure/errors.js',
           'libtextsecure/libsignal-protocol.js',
           'libtextsecure/protocol_wrapper.js',
 
-          'libtextsecure/crypto.js',
-          'libtextsecure/storage.js',
           'libtextsecure/storage/user.js',
-          'libtextsecure/storage/groups.js',
           'libtextsecure/storage/unprocessed.js',
           'libtextsecure/protobufs.js',
-          'libtextsecure/helpers.js',
-          'libtextsecure/stringview.js',
-          'libtextsecure/event_target.js',
-          'libtextsecure/account_manager.js',
-          'libtextsecure/websocket-resources.js',
-          'libtextsecure/message_receiver.js',
-          'libtextsecure/outgoing_message.js',
-          'libtextsecure/sendmessage.js',
-          'libtextsecure/sync_request.js',
-          'libtextsecure/contacts_parser.js',
-          'libtextsecure/ProvisioningCipher.js',
-          'libtextsecure/task_with_timeout.js',
         ],
         dest: 'js/libtextsecure.js',
       },