Added static storage::pack_document() which creates document from provided data, packs it and returns elliptics::data_pointer
Added license text and default constructor
Added document packer which accepts document itself
Added custom get/upload/find handlers. Find handler does not parse wookie::document yet
Do not use separate shared structure to host per-request data, copy it into main structures
Factor out generic text splitter
Merge branch 'master' of github.com:reverbrain/wookie into HEAD

Conflicts:
	httpserver/CMakeLists.txt
	httpserver/server.cpp
	include/wookie/storage.hpp
	lib/storage.cpp