Revert "Updated to use sax-machine 0.2.1"

This reverts commit c72b5862c4338cd1bb4506f1c786a9403a8e59e2.
Revert "Using sax-parser for text_info."

This reverts commit 20c263348edccea66939f166edef5d10b4be85b1.
Fixed UTF-8 and nil pointer access in textinfo_hpricot
Update dbi for 1.9.3 and 2.1.2
Fix problem parsing 54842 CoAprovel
Fix problem parsing 54842 CoAprovel. Adding test file
Corrected rake clean
Ignore conversion errors
Remove flockhart interactions
Fix path for src/util/quanty/parse.rb when calling rake quanty
Update to use swissmedic-diff 0.1.8 to fix to_i-error.
Fix undefined method first in RubyXL::Row. Add unit test for plugin/swissmedic
Fix problem after upgrading to rubyzip 1.1.6
Added update_epha_interaction to run in swissmedic- and bsv_follower
Added export_galenic
Fix instant search
order galenic export by oid
Watir tests: Added check interaction in prescription. Removed test for details
Removed detail fields from prescription.
Corrected watir/rspec for new interaction texts