[FIX] Ambiguous import

WARNING ? openerp.modules.module:
Ambiguous import: the OpenERP module `web` is shadowed by another
module (available at /home/elbati/workspace/openerp/progetti/siem/git/siem/parts/odoo/addons/web).
To import it, use `import openerp.addons.<module>.`.
Merge pull request #22 from eLBati/7.0_fix_ambiguous_import

[FIX] web_export_view: Ambiguous import
[FIX] flake8 errors
Merge pull request #30 from hbrunn/7.0-flake8

[FIX] flake8 errors
Merge remote-tracking branch 'hbrunn/7.0-advanced_filters' into 7.0
Merge remote-tracking branch 'hbrunn/7.0-advanced_filters' into 7.0
Merge remote-tracking branch 'hbrunn/7.0-advanced_filters' into 7.0
[ADD] advanced filters: translations
Merge remote-tracking branch 'upstream/7.0' into 7.0-advanced_filters
Merge remote-tracking branch 'lfreeke/7.0_advanced_filters_translation' into 7.0-advanced_filters