Use official install command
Use brew tap --repair to re-symlink tapped formulas
Fix call to brew tap --repair
Remove deprecated BREW_OPTS variable
Add simple fake file import test to OMERO-homebrew-install.sh
Pass arguments to bin/omero import
Make sure the session is closed
Move Ice switch logic to installation script
Fix parentheses
Fix Ice specific environment configuration
Add undefinied ICE_HOME variable for Ice 3.4
Merge pull request #2135 from sbesson/rebased/develop/homebrew_backport

Homebrew backport (rebased onto develop)