sugar_install_ios_library.py: Update debug prefix [skip ci]
Fix trailing spaces [skip ci]
Add example: universal_library_osx_sysroot [skip ci]
Add function: sugar_install_library [skip ci]
test.py: remove install directory before test examples [skip ci]
sugar_install_ios_library.py: improve library search [skip ci]
test.py: explicit check library created [skip ci]
Update debug postfix [skip ci]
test.py: Add universal_library_osx_sysroot check
Merge branch 'unify.install.library' into travis-ci.macosx.branch