fix install paths, add target installs
add CTL 'group' target
extend, add initial install support
clean up the reconfigure target
Large commit re-organizing files and starting to cleanup unneeded files
move config template files to config folder
add pkg-config setup rule for CTL when appropriate
silence clang warnings
fix issue when targeting non-makefile generator like xcode
fix make clean
initial pass making option for shared libraries
add shared check
fix compile of IlmImfCtl
renamed directory
Added clip, min, and max functions to utilities.ctl.
Updated apps/ctlrender/README.rst to reflect IIF to ACES name change.
Added CHANGELOG
Update ctlrender makefile to install rrt and utilities.
patch to resolve streaks that occur in some images

Closes #2
Closes #3
Closes #4

Patch provided by Jun Onuki (Sony Electronics)
added a couple more ignore files
fix for [issue 7].