check for existence of flip()
rename inputParser to m2tInputParser for brevity
isstr -> ischar
workaround Octave colorbar find "bug"
Revert "check for existence of flip()"

This reverts commit 4f8f3810808ce5a107d29a376768cad90a1361aa.
fix ACID test for GNU Octave

tested with Octave 3.8.2 and R2014b
Merge pull request #465 from PeterPablo/fix_ACID_multiline_labels

Fix acid multiline labels