Update ClusterCenter to move the equals() method to a ClusterPoint
rework on color name list view to make it support Chinese color name and
can be displayed in color info dialog view for similar colors
Improve interactive behaviour for ColorInfoDialogFragment
remove test code
implement the more action in color info dialog which will open a 3rd
online web color search engine
to make the main activity portrait only
Rework and improve the appearance of color info dialog tab info panel
fix a rgb->cmyk conversion mistake
Interactive Behaviour change: when tap on the left color label in color
edit view, retore the color rather than copy the color into clipboard
UX Improvement: click on the color info item or color name info item
should have a pressed state response
Tap on color name item in ColorNameListFragment should pop up the color
info dialog. However, tap on color name item inside the color info
dialog, should not have any click response at the moment...
Abstract the methods
  - copyColorIntoClipboard()
  - openColorWebpage()
into TzPaletteUtils class

and when long press the colorNameItem in color name list view, copy
color value into clipboard
change the "more" action in color info dialog to open google search
engine to search color info, instead of open a specific website
update the version to "Beta 4"