QPS Report Helper Functions

[anothrNick]

Two new methods that format the CSV data from get_qps into a queries per day and queries per hour JSON format. These are not making use of any new APIs, just helper methods that format the data.

[derekargueta]

@anothrNick if there's interest in finishing this, the build is mostly failing on flake8 linter errors

dyn/tm/reports.py:132:80: E501 line too long (91 > 79 characters)
dyn/tm/reports.py:133:80: E501 line too long (107 > 79 characters)
dyn/tm/reports.py:165:80: E501 line too long (147 > 79 characters)
dyn/tm/reports.py:170:80: E501 line too long (99 > 79 characters)
dyn/tm/reports.py:171:80: E501 line too long (157 > 79 characters)
dyn/tm/reports.py:180:80: E501 line too long (153 > 79 characters)
dyn/tm/reports.py:187:20: E127 continuation line over-indented for visual indent
dyn/tm/reports.py:220:80: E501 line too long (106 > 79 characters)
dyn/tm/reports.py:264:80: E501 line too long (115 > 79 characters)
dyn/tm/reports.py:278:80: E501 line too long (98 > 79 characters)
dyn/tm/reports.py:287:80: E501 line too long (103 > 79 characters)
dyn/tm/reports.py:291:80: E501 line too long (103 > 79 characters)
dyn/tm/reports.py:297:80: E501 line too long (194 > 79 characters)
dyn/tm/reports.py:308:80: E501 line too long (95 > 79 characters)
dyn/tm/reports.py:315:80: E501 line too long (164 > 79 characters)
dyn/tm/reports.py:321:19: E127 continuation line over-indented for visual indent
dyn/tm/reports.py:349:80: E501 line too long (105 > 79 characters)
dyn/tm/reports.py:391:80: E501 line too long (115 > 79 characters)
dyn/tm/reports.py:405:80: E501 line too long (98 > 79 characters)
dyn/tm/reports.py:419:80: E501 line too long (102 > 79 characters)
dyn/tm/reports.py:425:80: E501 line too long (169 > 79 characters)
dyn/tm/reports.py:437:80: E501 line too long (94 > 79 characters)
dyn/tm/reports.py:442:80: E501 line too long (161 > 79 characters)

cc @Northover @Marchowes