[PEP8] Changed tabs to 8 whitespaces and blank lines with whitespaces
Merge branch 'pep8' into plus-alfa

Conflicts:
	addons/account/tests/__init__.py
	addons/account_asset/report/account_asset_report.py
	addons/account_test/report/account_test_report.py
	addons/anonymization/__init__.py
	addons/base_report_designer/openerp_sxw2rml/openerp_sxw2rml.py
	addons/email_template/email_template.py
	addons/l10n_at/account_wizard.py
	addons/l10n_bo/__openerp__.py
	addons/l10n_fr_rib/bank.py
	addons/l10n_gr/__init__.py
	addons/l10n_mx/__init__.py
	addons/l10n_pa/__openerp__.py
	addons/l10n_pl/__init__.py
	addons/l10n_ro/__init__.py
	addons/l10n_ro/res_partner.py
	addons/l10n_si/account_wizard.py
	addons/l10n_ve/__init__.py
	addons/product/_common.py
	addons/product/tests/__init__.py
	addons/product_extended/wizard/__init__.py
	addons/product_extended/wizard/wizard_price.py
	addons/purchase/purchase.py
	addons/resource/faces/observer.py
	addons/resource/faces/pcalendar.py
	addons/resource/faces/resource.py
	addons/resource/faces/task.py
	addons/web/controllers/main.py