Fix thumbnail format PNG to JPG for improve performace
-rw-r--r-- 42 AUTHORS
-rw-r--r-- 3030 CMakeLists.txt
-rw-r--r-- 11358 LICENSE.APLv2.0
-rw-r--r-- 308 NOTICE
drwxr-xr-x - include
drwxr-xr-x - md5
-rwxr-xr-x 337 media-thumbnail.pc.in
drwxr-xr-x - packaging
drwxr-xr-x - server
drwxr-xr-x - src
drwxr-xr-x - unittest