improve conformance with OGC for job metadata and search

[fmigneault]

• support Job type and processID filter queries (relates to [Feature] Support missing query parameters for job listing #268)
• provide Job status type field (resolves Add missing job type field #351)
• increase OGC conformance (relates to Conformance route #53, [Feature] Conformance Tests #231)

[codecov]

Codecov Report

Merging #355 (c19c987) into master (8dc3bd5) will increase coverage by 0.06%.
The diff coverage is 96.00%.

@@            Coverage Diff             @@
##           master     #355      +/-   ##
==========================================
+ Coverage   77.87%   77.93%   +0.06%     
==========================================
  Files          63       63              
  Lines       10252    10285      +33     
  Branches     1548     1555       +7     
==========================================
+ Hits         7984     8016      +32     
- Misses       1774     1775       +1     
  Partials      494      494              

Impacted Files	Coverage Δ
weaver/store/base.py	100.00% <ø> (ø)
weaver/wps_restapi/api.py	77.01% <ø> (ø)
weaver/store/mongodb.py	66.58% <92.00%> (+1.33%)	⬆️
weaver/datatype.py	69.63% <100.00%> (+0.15%)	⬆️
weaver/wps_restapi/jobs/jobs.py	78.21% <100.00%> (+0.07%)	⬆️
weaver/wps_restapi/swagger_definitions.py	99.84% <100.00%> (+<0.01%)	⬆️

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[dbyrns]

Include changes already reviewed in : #356