invenio.dateutils -> invenio.utils.date
invenio.jsonutils -> invenio.utils.json
invenio.memoiseutils -> invenio.utils.memoise
invenio.containerutils -> invenio.utils.container
invenio.logicutils -> invenio.utils.logic
Merge pull request #9 from Demestotenes/code-structure

Utils: date json logic memoise container