Add time units to time variables, functions.

Conflicts:
	src/config.hpp
	src/pool.cpp
	src/session.cpp
Make default logger print ms-since-epoch

Without getting into custom formats and timezone conversion for real
date/time formatting, this at least allows one to view relative times
for testing and troubleshooting.
Fix to work with different definitions of cass_uint64_t
Changed simultaneous->concurrent for config.

Also, spellcheck.
Change existing 'metadata' to 'result_metadata'

There's about to be more kinds of meta floating around in here.
Add rapidjson third-party library.
Schema discovery WIP

query schema tables
rudimentary result processing (incomplete)
Static schema meta and API

no updates
Update .gitignore in schema_meta example
Add functions to get schema meta iterators directly.
Dynamic schema meta updates on Schema Change event
cbegin/cend are c++11 features

where did our std=c++98 go?
- Updated CCM bridge to enable/disable gossip and binary protocol
- Enhanced outage tests for more outage scenarios
- Corrected prepared outage test
  + Updated replication factor and number of nodes for the test
  + Removed sleeps (where applicable)
Update prepared_outage.cpp
Update prepared_outage.cpp
Merge pull request #86 from datastax/CPP-164-itest

Outage Test Enhancements (CPP-164)
Schema metadata refactor
SSL code review fixes
Merge pull request #77 from datastax/time-units

Time units and timestamp in default log callback
Merge pull request #87 from datastax/CPP-102-final

CPP-102 - SSL