Add strcasestr.
Merge commit 'aae4c4f'

Conflicts:
	libc/string.c
Fix strstr and strcasestr.
Merge commit '3a74dc'
Merge pull request #12 from gbl08ma/newsyscalls

Add some serial and graph display syscalls.
Change to unix line endings.
Merge remote-tracking branch 'upstream/master'
Add changes to the linker script necessary for my image viewer to compile.
Merge branch 'diffHeaders'
Change behavior of exit() and abort().
Merge branch 'exitFix'

Conflicts:
	libc/stdlib.c
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Merge branch 'exitFix'
Merge branch 'diffHeaders'
Merge branch 'diffHeaders'
Merge branch 'diffHeaders'
Remove junk files created by Dolphin.