Refactor type model

[dstallenberg]

Removed the maps in the typemodel class and created a TypeNode object

[coveralls]

Pull Request Test Coverage Report for Build 7170281385

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• 66 of 192 (34.38%) changed or added relevant lines in 5 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.5%) to 46.959%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
plugins/plugin-javascript-event-listener-state-storage/lib/StateStorage.ts	0	4	0.0%
libraries/analysis-javascript/lib/type/resolving/TypeModel.ts	18	34	52.94%
libraries/analysis-javascript/lib/type/resolving/TypeNode.ts	34	140	24.29%

Files with Coverage Reduction	New Missed Lines	%
plugins/plugin-javascript-event-listener-state-storage/lib/StateStorage.ts	2	12.5%

Totals
Change from base Build 7170212173:	0.5%
Covered Lines:	1553
Relevant Lines:	3063

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💛 - Coveralls