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Injector API restructuring

Injector API:
- Removed socket connection
- Added dynamic API for injections (injection is allowed in all time
after Injector was injected)
- Debugger protocol is extensible now!

Added v8-debug dependence
(Small binary API what allow to extend debugger protocol)
Profiler API

Realised full CPU Profiler API
- start
- stop
- getCPUProfile
- removeProfile
- clearProfiles
- getProfileHeaders