Fix bower,json issue

v2.1.3

bump package.json

Make px-dropdown work nicely with AngularJS

• Fix to make px-dropdown play with Angular nicely. Added Angular demo, also.
• Added grunt-bump task.
• Fixed up failing unit tests.
• Made JS lint happy.

Upgrade to Polymer 1.5.0

v0.10.0

Upgrade to Polymer 1.5.0

Minor CSS fix to dropdown content text colour.

• Minor CSS fix to dropdown content text colour.

Upgrade to Polymer 1.4.0

v0.9.0

notify display-value attribute

v0.8.1

display-value notify

Checkbox mode

Added a checkbox-mode on px-dropdown-content, automatically adding checkboxes to each item and allowing to track their checked state within the 'items' array.
Prevent scroll locking if the dropdown doesn't have vertical scroll bar

added border around component

v0.7.4

gave the component a border.

Fix tooltip bug in datatable

v0.7.3

fix tooltip bug

Updated readme and stopped propagation on internal events

v0.7.1

stop propagation + upver