v0.5.3+1: Add Sass files

NOTE: SASS files are not used during the build step of this package and are
provided as reference only. These .scss files were used to generate the
corresponding .css files in a separate process. We are working on a solution
to include CSS generation from SASS files during the build process.

• Add SASS files.
• Rename .analysis_options -> analysis_options.yaml

v0.5.3: Add Material Tree component (#104)

• Add Material Tree component.
• Material Dialog: Add shouldShowScrollStrokes option for displaying stroke lines when the content is scrollable.
• Material Dropdown Select: Avoid checking isSelected with deselectLabel.
• Material Input: UpperBoundsValidator, and LowerBoundsValidator now use Comparable instead of num.
• Material Popup: Use the real viewport (aka window) size.
• Scorecard: Add ng-content area for a description.
• Adjust positioning algorithm to account for scrolling within elements.
• Migrate use of LazyEventController to StreamController.

v0.5.2: Components update (#96)

• Material Progress: Cleanup animations on destroy to prevent memory leaks.
• Material Select:
  • Support deselect item in Material dropdown select with single selection
    model.
  • Unified template files (deleted material_select_dropdown_item.html).
  • Add support for Selectable SelectionOptions.
  • Create a ControlValueAccessor.
• Add backspace and delete keys to KeyboardHandlerMixin.
• Add selectedValue getter to RadioGroupSingleSelectionModel.
• Add null check to ObservableComposite's register method.
• Add totalEntitiesCountChange getter to table selection models.
• Add isStandardMouseEvent utility to test for clicks without modifier keys.
• Add string selection sanitizing options.
• Remove NoopStream in favor of Stream.empty() as provided by the SDK.
• Migrate use of LazyEventController to StreamController.
• Fix bug in lazy group creation that would cause multiple groups to be
  created.
• Strong mode fixes.

v0.5.1: Components update (#88)

• Glyph: Add baseline attribute.
• Material Expansionpanel:
  • Allow programmatic expand and collapse requests even if the panel is
    disabled.
  • Change preserveWhitespace default to false.
  • Add enterAccepts flag.
• Material Input:
  • Show counter regardless of focus.
  • Add error message to MaterialPercentInputDirective.
• Material List: Allow pointer events when disabled.
• Material Popup: Fix positioning when matchMinSourceWidth is true.
• Material Ripple: Show a centered ripple on keypress.
• Material Select:
  • Only display underline when border is also set.
  • Add useCheckMarks to use check marks instead of checkboxes.
• Material Tooltips: Resize to fit contents.
• Material Yes/No Buttons: Add enterAccepts flag.
• Deprecate LazyStreamController and migrate to StreamController.
• Migrate use of LazyEventController to StreamController.
• Documentation fixes.
• Strong mode fixes.

v0.5.0

• Rename library to angular_components.

All previous versions were published as the
Pub Package named
angular2_components.

angular2_components-v0.5.0

Rename library to angular_components.

This package now exports angular_components. See the new
Pub Package for future
updates.

v0.5.0-beta+1

Fix link in CHANGELOG to old pub package.

v0.5.0-beta

Rename library to angular_components.

All previous versions were published as the Pub Package named angular2_components.

angular2_components-v0.5.0-beta: Remove all files and export new package (#80)

Rename library to angular_components.

This package now exports angular_components. See the new Pub Package for future updates.

v0.4.1-beta: Update dependencies and prepare for 0.4.1-beta

0.4.1-beta

• Updated dependencies on pkg/quiver and pkg/intl.