Old messages iteration for IDA chatbox

[maqboolkhan]

This functionality will enable IDA's user to cycle through previous messages just like Terminal. Note Remember, its just in Browser memory so it will go away with Page refresh. We can later think about it to store in DB

[codecov-io]

Codecov Report

Merging #102 into master will increase coverage by 16.49%. The diff coverage is n/a.

@@              Coverage Diff              @@
##             master     #102       +/-   ##
=============================================
+ Coverage      7.34%   23.84%   +16.49%     
- Complexity       43       99       +56     
=============================================
  Files            48       48               
  Lines          1279     1279               
  Branches        146      146               
=============================================
+ Hits             94      305      +211     
+ Misses         1185      962      -223     
- Partials          0       12       +12

Impacted Files	Coverage Δ	Complexity Δ
...c/main/java/upb/ida/bean/cluster/ClusterParam.java	34.78% <0%> (+8.69%)	3% <0%> (+2%)	:arrow_up:
...ain/java/upb/ida/bean/cluster/ClusterAlgoDesc.java	41.66% <0%> (+12.5%)	4% <0%> (+3%)	:arrow_up:
...da-ws/src/main/java/upb/ida/temp/ExampleMacro.java	16.66% <0%> (+16.66%)	1% <0%> (+1%)	:arrow_up:
ida-ws/src/main/java/upb/ida/util/FileUtil.java	42.59% <0%> (+22.22%)	6% <0%> (+3%)	:arrow_up:
...n/java/upb/ida/bean/cluster/ParamEntryChecker.java	44.44% <0%> (+44.44%)	3% <0%> (+3%)	:arrow_up:
ida-ws/src/main/java/upb/ida/fdg/FDG_Node.java	46.15% <0%> (+46.15%)	5% <0%> (+5%)	:arrow_up:
...c/main/java/upb/ida/util/GetCorrectParamTypes.java	50% <0%> (+46.87%)	6% <0%> (+5%)	:arrow_up:
.../main/java/upb/ida/rest/MessageRestController.java	52.94% <0%> (+47.05%)	2% <0%> (+1%)	:arrow_up:
ida-ws/src/main/java/upb/ida/fdg/FDG_Triple.java	52.38% <0%> (+52.38%)	6% <0%> (+6%)	:arrow_up:
...-ws/src/main/java/upb/ida/provider/FdgHandler.java	62.5% <0%> (+56.25%)	2% <0%> (+1%)	:arrow_up:
... and 6 more

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[nikit-srivastava]

@faisal07m could you please confirm the changes by doing a sanity check?

[maqboolkhan]

Pinging @nikit91 @faisal07m

[maqboolkhan]

I am unable to understand travis-ci problem cc @nikit91 @bhatmanjokes