Added value block decoder/encoder tool menu entry.
Added bare bone of value block decoder/encoder activity.
Changed some class names to more clearly names.
Updated resource IDs due to renaming.

Fixed some renaming.
Added layout of value block decoder/encoder.
Added constraints and hints to layout of value block tool.
Added license header to new files.

Fixed some white space issues.
Implemented bare bone of the value block tool functionality.

Fixed the focus of value block tool.
Fixed javadoc errors caused by previous renaming.
Implemented decode functionality of value block tool.

Moved "isValueBlock", "isHexAnd16Byte", "reverseByteArrayInPlace"
to the common functions (Common.java).
Implemented encode functionality of value block tool.
Implemented copy/past functionality of value block tool.
Merge branch 'value_block_tool'