- make grayscale image for expanded button state
- add four button style with different images
- add handling button styles with different position of header and size of image
- retrieve ButtonStyle property to ExpandCollapsePanel
- separated button styles and button size presets
- made fancy combo box in Demo app for dynamic changing styles and sizes of ExpandCollapseButtons
- add ButtonStyle and ButtonSize properties to the smart tag panel
- add screenshot links to README.md
Merge branch 'develop'
- change screenshot link