Fix bug in path calculation - exponential recursion call.
Store calculated path in @path, which give 2 times faster documents
rendering in our tests.

tnx to Dmitry Lavrov
bumped to 1.2.13
added has_children? methods to check if attribute has children or not

update to adjust rspec 2.14.x
added has_attributes method to CComplexObject
version adjustment
treetop 1.4.15 fixed bug
release for medinfo2013 scientific demo
refactored adl_parser
preparing opt_parser
Merge branch 'master' of github.com:skoba/openehr-ruby

Conflicts:
	Guardfile
	spec/spec_helper.rb
Now implementing opt parser.
OptParser launched
description part fixed
refactored opt_parser description
template_id parsed and implemented to opt_parser and operational template
implemented template concept parsing
added CArchetypeRoot for template object
added FlatOntology and FlatArchetype
tentative template
refactored occurrences
added expectations.