Removed invalid attribute 'type' in views
Added '# -*- encoding: utf-8 -*-' in python files
remove all unused library and refactored OpenERP modules import
Refactoring to improve code formatting
Merge branch 'version70' of https://github.com/renatonlima/Pentaho-reports-for-OpenERP into version70

Partially accepted
Merge branch 'version70' of https://github.com/renatonlima/Pentaho-reports-for-OpenERP into version70

Manual merge done.
Merge pull request #68 from richard-willowit/version70

Pull in of renatonlima (Akretion) changes.