foreign: React is now shared library.

- React added to debian dependecies
- Usage of react is changed according to it's public API
- React submodule removed
- Definitions of react eblob actions moved to eblob
- Rapidjson is used from react includes now
build: Travis build script updated
stat: trace_id type changed from int64_t to uint64_t
Merge pull request #69 from IIoTeP9HuY/master

foreign: React is now shared library.