First draft of storage APIs (#122)

* First draft of storage APIs

* bumped pxt-core

* using fixed instances to seprate temp from permanent

* send console to storage

* sim support

* missing sim stubs

* adding storage blocks

* more sim support

* remove storage from default package

* fix rendering of ms

* render raw ms

* slize at better place

* duplicate bundled dir

* refactor limit

* simplify limit logic

libs/ev3/ns.ts

@@ -56,4 +56,9 @@ namespace loops {
 //% color="#1E5AA8"
 namespace light {
 
+}
+
+//% color="#b0b0b0" advanced=true weight=5
+namespace storage {
+
 }