Fixing some indentation issues on FREAK source file.
add Mimmo Cosenza to Authors
add clojure sample
add clojure logo
add clojure tutorial
add tutorial content
remove Daniele
Merge pull request #1968 from pentschev:fix_indentation_freak_2.4
core: added TLS support
ocl: implemented per-thread OpenCL command queue
Merge pull request #1975 from magomimmo:clj-tut
Merge pull request #1976 from alalek:ocl_multiple_command_queues
ocl: add support for initialization from user-provided OpenCL handles
Merge pull request #1980 from alalek:ocl_interop_initialization
fixed init of clCxt
cv::completeSymm fixed to work with any OpenCV data type and multiple channels.
Merge pull request #1990 from AD-530:Issue3164
Merge pull request #1987 from pentschev:cv_completesymm_template_2.4