file a new commit

Squashed commit of the following:

commit 26be4c66686d2d75ba1eb381ae562d30474429b2
Merge: 91bde82 8df0566
Author: Licai Guo <guolicai@gmail.com>
Date:   Wed Jan 8 16:56:49 2014 -0800

    Merge remote-tracking branch 'upstream/master' into move_to_common

    Conflicts:
    	codec/common/targets.mk
    	codec/console/dec/targets.mk
    	codec/decoder/targets.mk
    	codec/encoder/targets.mk
    	codec/processing/targets.mk

commit 91bde8209dad40eaa0b26cc75467e4ce52b4c8ae
Merge: c827054 cc2ffee
Author: Licai Guo <guolicai@gmail.com>
Date:   Tue Jan 7 20:16:11 2014 -0800

    Merge remote-tracking branch 'upstream/master' into move_to_common

commit c8270543fab8e40cb4aebf62d7646068afe19484
Author: Licai Guo <guolicai@gmail.com>
Date:   Mon Jan 6 19:12:39 2014 -0800

    enable WelsScan4x4DcAc_ssse3

commit c8d2823d54e54cab146098302441ef44a4638382
Author: Licai Guo <guolicai@gmail.com>
Date:   Mon Jan 6 18:46:06 2014 -0800

    remove trailing white spaces

commit 39866a9cf54db6120aabd6a01afd4aedbead8af0
Author: Licai Guo <guolicai@gmail.com>
Date:   Mon Jan 6 18:06:10 2014 -0800

    move common code(deblocking and cpu) to common, rename decoder's
    Intra-prediction functions prefix.
Merge pull request #118 from licaiguo/move-to-common-2

move common code(deblocking and cpu) to common, enable idct asm in encoder