hook all Dirac's console errors and report them as Internal Dirac Errors

[darwin]

This error wasn't reported as Dirac Internal Error:

Uncaught TypeError: this._targetAgent.setAttachToFrames is not a function
    at new SDK.ChildTargetManager (TargetManager.js:409)
    at SDK.TargetManager.createTarget (TargetManager.js:224)
    at SDK.TargetManager._connectAndCreateMainTarget (TargetManager.js:351)
    at SDK.TargetManager.connectToMainTarget (TargetManager.js:323)
    at Main.Main._initializeTarget (Main.js:291)

https://travis-ci.org/binaryage/dirac/builds/335463548