Update README.md
Revert double-check locking for cleaner memory-fence based code.
Improve pool accounting under "adverse" conditions such as aborted connections.
Update README.md
Small LeakTask refactor just to make HikariPool.getConnection() a little tighter (and more readable).
Mmake HikariPool.getConnection() a little tighter (and more readable).
Cleaner, more performant way to handle close connections.
Merge Java 8 changes into Java 6/7 project.
Fix a fast-spin loop when the pool is suspended and and connections are attempted to be added.
Fix #198 handle pull shutdown synchronisation issues
Merge remote-tracking branch 'upstream/dev' into dev

Conflicts:
	hikaricp-java6/src/main/java/com/zaxxer/hikari/util/ConcurrentBag.java
	hikaricp/src/main/java/com/zaxxer/hikari/util/ConcurrentBag.java