Unbind old ytext value

v0.3.1

unbind old ytext value

Refactored ShowGutter-> HideGutter

v0.3.0

refactored showGutter -> hideGutter

Fix ShowGutter init problem

v0.2.5

fix showGutter init problem

Implemented IronResizableBehavior (resize ace when necessary)

v0.2.4

fix wrap on init

Fix wrap on init

v0.2.3

fix wrap on init

Add dynamicHeight property

v0.2.2

update docs

v0.2.1

fixed some bugs in example

Fixed some API inconsistencies

v0.2.0

added missing dependencies & renamed showLineNumbers -> showGutter

First release

v0.1.0

created <ace-element> :star2: