Updating LICENSE.txt to 2011-12-07 CE License

This somehow had reverted to old text. Updating.
Updating incorrect Community to correct Enterprise

Updated to Enterprise (Free, Brief) Edition license, from 2014-04-07.
Comply with EE change for 2014-04-14

This is for packaging, only. Small change in license language.
Fixed race condition: err "the pool is closed" during a rebalance

Commit from go-couchbase:
If Bucket.Do obtains a connection pool at the same time that another
goroutine refreshes the bucket's vbucket map, the bucket can end up with
an already-closed pool which will return errors trying to get a
connection.
Added a utility method Bucket.getConnectionToVBucket that does this
safely by retrying if it got a closed connection pool.
Added SlowServerCallWarningThreshold config variable

Set this to a value in milliseconds; Couchbase bucket requests that
take longer than this will cause a warning to be logged by go-couchbase.
Default value is 200ms.
Revert "CBLT-179:  set Version constants to tokens (instantiated by build process)"

This reverts commit 1b86eebeb7805213b566007197776362c4d768a0.
Version identification now uses both API level and Gerrit build ID

Version number logged at launch and returned from "GET /" now looks like
"SyncGateway/1.00 (1337; commit 1deadb0f)"
The first version number is the API level which is interpreted by CBL.
The second number is Gerrit's build number.
The third is the Git commit SHA.
Logging defaults to non-color (i.e. without ANSI escape sequences)

To enable color, use -log=color flag
Merge branch 'master' into release/1.0.0