Add unified image-util-testsuite and remove old tests

Add unified image-util-testsuite and remove old tests

 - This supports all CAPIs in image-util

 SYNOPSIS
   capi-image-util-test [file | directory] [test_mode]

   ex
   ./capi-image-util-test test.jpg 0

 DESCRIPTION
   'capi-image-util-test' is testsuites for image-util.
   It can test all kind of CAPI in image-util.

   Most often capi-image-util-test is started to test a single file with the command

   ./capi-image-util-test [file]

   If the file is missing, the program will start with set path menu.

   help        Give a help message and exit, just like "-h", "-help" and "--help"

   [file]      A file to test. The test file should be jpg/png/gif/bmp or raw data.
               If the file is raw data, the program will request another information
               , size & color, of the raw data.

   [directory] A directory that has lots of images to encode a-gif.

   [test_mode] A mode to test. This is optional.
               If the mode is missing, the program will give the select message.
               0: Auto, 1: decode, 2: encode, 3: encode a-gif, 4: transform

Change-Id: If8b3d288cc75c27c9d2312296c6cb9623a2a6b52