[TIMOB-18260] Override windowWillClose

Resign first responder on windowWillClose
[TIMOB-18260] Override windowWillClose

Cleanup _headerViewProxy and _footerViewProxy on windowWillClose
[TIMOB-18260] Signal windowWillClose before dismissal
Merge pull request #6513 from vishalduggal/timob-18260

CR and FT passed.
[TIMOB-17924] Updated debugger library
Merge pull request #6518 from pec1985/TIMOB-17924

[TIMOB-17924] Updated debugger library
[TIMOB-18262] Short circuit path checks on valid path
[TIMOB-18262] Refactor & safety checks
Merge pull request #6520 from vishalduggal/timob-18262

[TIMOB-18262] Short circuit path checks on valid path
Update JavaScriptCore Headers
[TIMOB-18214] Scalar type checks in KrollMethod

Also fixes a bug where a KrollMethod could never return an int on i386
since sizeof(id) is sizeof(int)
Merge pull request #6523 from vishalduggal/ti_headers_update

Titanium update
[TIMOB-18283] Fix repeatCount for imageView
Merge pull request #6525 from vishalduggal/ImageView-repeatCount

[TIMOB-18283] Fix repeatCount for imageView