tabler integration, beautify admin panel

[coveralls]

Pull Request Test Coverage Report for Build 80

• 32 of 39 (82.05%) changed or added relevant lines in 6 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.6%) to 93.433%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
app/helpers/policy_manager/application_helper.rb	7	8	87.5%
app/controllers/policy_manager/application_controller.rb	1	7	14.29%
<!--	Total:	32	39	82.05%	-->

Totals
Change from base Build 65:	-0.6%
Covered Lines:	811
Relevant Lines:	868

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💛 - Coveralls