Ruby 1.8.7 fix

- fix for ruby 1.8.7 regarding changes in last commits
Merge branch 'master' of https://github.com/gwdg/rOCCI-core
Fixed scan for Oniguruma
Merge branch 'fix_scan_onig' of git://github.com/arax/rOCCI-core into arax-fix_scan_onig

Conflicts:
	lib/occi/parser/text.rb