audio: add support for arbitrary 8x8 channel mixing to be specified from host
dispmanx: Correct VC_IMAGE_TRANSFORM_T to DISPMANX_TRANFORM_T where appropriate
Added -roi command to allow specification of the area of the sensor to use as input
to the ISP. This facilitates zooming (including offcentre)

Also updated the docs to reflect the new command and updated to latest published version.
Merge pull request #73 from JamesH65/roi4

Added -roi command to allow specification of the area of the sensor to use as input
Using open/write/close/rename to avoid partial files.
Added --latest argument to generate link to latest frame.
Documented the new option in the RaspiCamDocs.odt
In examples, added the %03d trick to make timelapse sortable
and added -l latest example
Merge branch 'master' of https://github.com/dmopalmer/userland

Conflicts:
	host_applications/linux/apps/raspicam/RaspiCamDocs.odt