Merge pull request #17 from pec1985/v20-debugger

[TIMOB-17924] Enable JS debugger
[TIMOB-18096] Collect all orphans

TiGarbageCollect now collects all orphans so we van respond to memory
pressures outside the JSCore VM
Merge pull request #18 from vishalduggal/timob-18096

[TIMOB-18096] iOS: Proxies not being released
[TIMOB-18137] Update WTF/JavaScriptCore projects

We will be using our own configs. No dependency on WTF-iOS,
JavaScriptCore-iOS and ToolExecutable-iOS xcconfig files
[TIMOB-18137] Delete Unused Files
[TIMOB-18131] Expose message and stack

Set default properties of stack and message properties to None so they
can be enumerated and retrieved on the Titanium side
New build script

Builds both WTF and JavaScriptCore on a per architecture basis and
writes out log files
Merge pull request #19 from vishalduggal/timob-18137

[TIMOB-18137][TIMOB-18131]Tijscore update
Allow Debug Builds
Merge pull request #20 from vishalduggal/v20

Allow Debug Builds
Enable debug builds of TiJSCore