Improve TemplateBuilder & remove Java MessageFormat dependency

[mohanvive]

Purpose

Fix for #858 ...

[codecov-io]

Codecov Report

Merging #1431 into master will decrease coverage by 0.01%.
The diff coverage is 82.6%.

@@             Coverage Diff              @@
##             master    #1431      +/-   ##
============================================
- Coverage     67.57%   67.56%   -0.02%     
  Complexity       41       41              
============================================
  Files           634      634              
  Lines         26718    26755      +37     
  Branches       4219     4226       +7     
============================================
+ Hits          18055    18076      +21     
- Misses         6892     6907      +15     
- Partials       1771     1772       +1

Impacted Files	Coverage Δ	Complexity Δ
...io/siddhi/core/util/transport/TemplateBuilder.java	53.96% <82.6%> (+13.96%)	0 <0> (ø)	⬇️
...java/io/siddhi/core/stream/input/InputHandler.java	77.41% <0%> (-3.23%)	0% <0%> (ø)
...e/util/statistics/memory/ObjectSizeCalculator.java	73.58% <0%> (-2.52%)	0% <0%> (ø)
...ut/stream/state/AbsentStreamPreStateProcessor.java	85.21% <0%> (-1.41%)	0% <0%> (ø)
...y/api/execution/query/output/stream/UpdateSet.java	24.44% <0%> (-1.14%)	0% <0%> (ø)
...e/src/main/java/io/siddhi/core/util/Scheduler.java	81.64% <0%> (-0.53%)	0% <0%> (ø)
...core/src/main/java/io/siddhi/core/table/Table.java	27.54% <0%> (-0.48%)	0% <0%> (ø)
.../io/siddhi/core/util/snapshot/SnapshotService.java	71.63% <0%> (-0.42%)	0% <0%> (ø)
...nt/stream/holder/SnapshotableStreamEventQueue.java	75.91% <0%> (-0.4%)	0% <0%> (ø)
...ore/util/parser/helper/DefinitionParserHelper.java	74.48% <0%> (+0.05%)	0% <0%> (ø)	⬇️
... and 10 more

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