Revert "Added color image demo to gfxdemo"

This reverts commit 8e7789fbd23c180fa8110f6b4554c3e4b4bc7d4a.
Renamed colorRectangle to clipColorRectangle
Update kernel
Merge branch 'master' of github.com:KnightOS/KnightOS
Update kernel
Update exploit.asm to support multiple platforms
Update kernel and exploit
Merge branch 'master' of github.com:KnightOS/KnightOS
Drop BuildFS in favor of genkfs
Update README
Update kernel
Update to kernel 0.6.0 and support KEXC
Update to kernel 0.6.1
Mark count demo as non-suspendable again
Update kernel
Update kernel
Stub out textview and add a bunch of /etc files
Pass files from fileman to corelib
Pass selected file to /bin/textview
Implement simple text viewer