corrected typos

Signed-off-by: Clifford Wolf <clifford@clifford.at>
added ckeck for Icarus Verilog, otherwise the tests are silently stopped

Signed-off-by: Clifford Wolf <clifford@clifford.at>
set executable flags to run-synth.sh, added .gitignore

Signed-off-by: Clifford Wolf <clifford@clifford.at>
corrected typos

Signed-off-by: Clifford Wolf <clifford@clifford.at>
added error checking at execution of ABC

Signed-off-by: Clifford Wolf <clifford@clifford.at>
Set execute bit on tests/openmsp430/run-synth.sh for real
Cleaned up ABC file/io error handling
Merge branch 'hansi'