Web Inspector: Add infrastructure for eslint based static analyzer

Web Inspector: Add infrastructure for eslint based static analyzer
https://bugs.webkit.org/show_bug.cgi?id=137890

Reviewed by Timothy Hatcher.

Fix to previous patch to add AnalyzerManager and AnalyzerMessage classes. Changed Main.html to include ESLint.js
before Main.js in the combined resources.

* UserInterface/Base/Main.js:
* UserInterface/Controllers/AnalyzerManager.js: Added.
(WebInspector.AnalyzerManager):
(set WebInspector.AnalyzerManager.prototype.getAnalyzerMessagesForSourceCode.):
(set WebInspector.AnalyzerManager.prototype.getAnalyzerMessagesForSourceCode):
(set WebInspector.AnalyzerManager.prototype.set get sourceCodeCanBeAnalyzed):
(set WebInspector.AnalyzerManager.prototype._handleSourceCodeContentDidChange):
* UserInterface/Main.html:
* UserInterface/Models/AnalyzerMessage.js: Added.
(WebInspector.AnalyzerMessage):
(WebInspector.AnalyzerMessage.prototype.get sourceCodeLocation):
(WebInspector.AnalyzerMessage.prototype.get sourceCode):
(WebInspector.AnalyzerMessage.prototype.get text):
(WebInspector.AnalyzerMessage.prototype.get ruleIdentifier):
* UserInterface/Models/SourceCode.js:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@175838 268f45cc-cd09-0410-ab3c-d52691b4dbfc