Adding ac_alacrity.m4 file
Create .gitignore
Update .gitignore
Added Makefiles to the ignore list
If there is a non-generated makefile we can switch them on in the local
directory.
Ran autogen.sh to update autoconf files for ac_ncsu_timer.m4.
Fixed recursive ignore of Makefiles
Merge remote branch 'origin/ncsu-xforms' into ncsu-xforms-timer-link