add support for ASSIGNVIEW links
set module to the default home page
remove homepage converter and convert section summaries into module item pages
Merge pull request #10 from maneframe/moodle2

more moodle2 questions
add empty? and summary? methods to moodle sections
create unique file paths for section summaries
add additional question types to backup fixture
parse/convert/write text only questions

also fix a bug with assessment_question_identifierref