Add read function on Analysis

[WendelHime]

I'm adding the option to Analysis read results and write some rectangles on main image

[WendelHime]

fix #121

[coveralls]

Pull Request Test Coverage Report for Build 325

• 25 of 35 (71.43%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.6%) to 92.127%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
api/gyresources/endpoints/AnalysisController.py	25	35	71.43%
<!--	Total:	25	35	71.43%	-->

Totals
Change from base Build 313:	-0.6%
Covered Lines:	1217
Relevant Lines:	1321

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💛 - Coveralls