Functions, fixes and stack

[ambud]

Adding new functions:

• Trig functions
• Constant functions
• Function Chaining
• TSQL changes for chaining functions
• Adding function descriptions

Archival:

• Fixing broken archival code
• Enabling tests

Ambari Stack:

• Adding UI editor for stack
• Refactored components for stack

Misc Fixes:

• Indexing improvements
• Improved test coverage

[codecov-io]

Codecov Report

Merging #108 into development will decrease coverage by 0.16%. The diff coverage is 51.61%.

@@                Coverage Diff                @@
##             development     #108      +/-   ##
=================================================
- Coverage          48.54%   48.38%   -0.17%     
+ Complexity           855      797      -58     
=================================================
  Files                141      138       -3     
  Lines               5617     5605      -12     
  Branches             617      616       -1     
=================================================
- Hits                2727     2712      -15     
- Misses              2702     2716      +14     
+ Partials             188      177      -11

Impacted Files	Coverage Δ	Complexity Δ
...sidewinder/core/predicates/NotEqualsPredicate.java	0% <ø> (ø)	0 <0> (ø)	:arrow_down:
...sidewinder/cluster/push/routing/RoutingEngine.java	12.5% <ø> (ø)	3 <0> (ø)	:arrow_down:
...ya/sidewinder/core/predicates/EqualsPredicate.java	75% <ø> (ø)	2 <0> (ø)	:arrow_down:
...r/cluster/pull/rpc/ClusterMetadataServiceImpl.java	0% <ø> (ø)	0 <0> (?)
...a/sidewinder/core/api/grafana/GrafanaQueryApi.java	50.64% <ø> (+10.44%)	8 <0> (ø)	:arrow_down:
...a/com/srotya/sidewinder/core/SidewinderServer.java	61.84% <ø> (ø)	13 <0> (ø)	:arrow_down:
...winder/cluster/pull/SidewinderClusteredServer.java	0% <ø> (ø)	0 <0> (?)
...winder/core/storage/compression/dod/DodWriter.java	0% <ø> (ø)	0 <0> (ø)	:arrow_down:
...dewinder/core/predicates/GreaterThanPredicate.java	100% <ø> (ø)	3 <0> (ø)	:arrow_down:
...a/sidewinder/core/predicates/BetweenPredicate.java	100% <ø> (ø)	4 <0> (ø)	:arrow_down:
... and 91 more

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