Revert "Fix removeUnintentionalBlank option (#36, #38)"

This reverts commit 233dd505762dbfc8c49c39a8ded7149cc7b470c6.
Fix removeUnintentionalBlank option (#36, #38, #43)
Workaround Bug 961646 - setTabValue throws
Merge branch 'nightly' into develop
Tab Utilities 1.6pre21