Added script to run ISE from default install path
Improve ISE run script
Merge pull request #16 from willprice/feature/isa

Improve ISE run script
Update run_ise.sh

Remove trailing `$` from ISE
Update run_ise.sh

Run  `ise` in background
Added branch and call instructions. Added status flags.
 On branch feature/isa
 Changes to be committed:
   (use "git reset HEAD <file>..." to unstage)

	modified:   doc/isa_spec.md
Merge branch 'master' of github.com:willprice/vhdl-computer