Updated gradle server task to use properties files, and minor cleanup.

[kishorebanala]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 2453

• 2 of 3 (66.67%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 68.643%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
server/src/main/java/com/netflix/conductor/bootstrap/Main.java	0	1	0.0%

Totals
Change from base Build 2450:	0.0%
Covered Lines:	9183
Relevant Lines:	13378

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💛 - Coveralls

[codecov]

Codecov Report

Merging #1037 into dev will increase coverage by 0.64%.
The diff coverage is 66.66%.

@@             Coverage Diff              @@
##                dev    #1037      +/-   ##
============================================
+ Coverage     62.59%   63.23%   +0.64%     
- Complexity     2594     2724     +130     
============================================
  Files           229      229              
  Lines         13073    13385     +312     
  Branches       1310     1395      +85     
============================================
+ Hits           8183     8464     +281     
- Misses         4163     4189      +26     
- Partials        727      732       +5

Impacted Files	Coverage Δ	Complexity Δ
...ain/java/com/netflix/conductor/bootstrap/Main.java	0% <0%> (ø)	0 <0> (ø)	⬇️
...tflix/conductor/core/execution/DeciderService.java	85.47% <100%> (ø)	96 <0> (ø)	⬇️
...x/conductor/common/metadata/workflow/TaskType.java	100% <0%> (ø)	5% <0%> (+2%)	⬆️
.../com/netflix/conductor/core/config/CoreModule.java	100% <0%> (ø)	26% <0%> (+8%)	⬆️
...netflix/conductor/core/utils/S3PayloadStorage.java	0% <0%> (ø)	0% <0%> (ø)	⬇️
.../com/netflix/conductor/common/run/TaskSummary.java	95.08% <0%> (+2.39%)	59% <0%> (+20%)	⬆️
.../netflix/conductor/common/run/WorkflowSummary.java	95.12% <0%> (+2.43%)	78% <0%> (+36%)	⬆️
...nductor/common/metadata/workflow/WorkflowTask.java	73.29% <0%> (+4.87%)	144% <0%> (+60%)	⬆️
...om/netflix/conductor/grpc/AbstractProtoMapper.java	45.17% <0%> (+6.31%)	58% <0%> (+4%)	⬆️

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