[Delivers #158791699] Get User API Endpoint

[JoshuaOndieki]

What does this PR do?
Adds get user endpoint to the API

Description of Task to be completed
A user should be able to fetch public profiles of other users

GET /api/v2/users/<username>

Tasks achieved in this PR

• GET /api/v2/users/<username>

How should one test this endpoint?

• Clone this repo using git clone https://github.com/JoshuaOndieki/ridemyway-api.git
• Check the ReadMe for instructions on setting up the project.
• git checkout ft-get-user-158791699
• Run nosetests to see the tests pass. Alternatively, run pytest

How can you help?
Review my work and let me know any semantic, technical or syntax/standards errors I may have.
I will greatly appreciate any feature/change suggestions too 😃

Resources & Libs
This Pivotal Tracker board was used to plan and manage the tasks.

Relevant PIvotal Tracker Stories?
#158791699

Screenshots

[coveralls]

Pull Request Test Coverage Report for Build 240

• 151 of 163 (92.64%) changed or added relevant lines in 13 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.9%) to 95.672%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
ridemyway/tests/tests_v2/test_auth/test_logout.py	15	16	93.75%
ridemyway/api/v2/resources.py	29	30	96.67%
ridemyway/tests/tests_v2/test_auth/test_login.py	31	32	96.88%
ridemyway/tests/tests_v2/test_user/test_fetch_user.py	14	15	93.33%
ridemyway/utils/errors.py	7	10	70.0%
ridemyway/api/v2/jwtblacklist.py	0	5	0.0%

Totals
Change from base Build 202:	-0.9%
Covered Lines:	641
Relevant Lines:	670

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💛 - Coveralls