* Set enforce date: September 15, 2014
* Enforce in stand alone mode
* Enforce at source
* Enforce intermediary nodes
* Enforce global freeze in get paths out
* Enforce global freeze in create offer
* Don't consider frozen links a path out
* Handle in getBookPage
* Enforce in new offer transactors
* Rationalize method and filenames, move to subdirectory.
* Use Issue in Node.
* Restrict access to PathState variables.
* Line length and readability cleanups.
* New PathCursor stores path calculation data during rippleCalc.
* Extract methods PathCursor::node(), PathCursor::previousNode()
and RippleCalc::addPath
* Activate async code path
* Tidy up HTTP server code
* Use shared_ptr in HTTP server
* Remove check for unspecified IP
* Remove hairtrigger
* Fix missing HTTP authorization check
* Fix multisocket flags in RPC-HTTP server
* Fix authorization failure when no credentials required
* Addresses RIPD-159, RIPD-161, RIPD-390
* Activate async code path
* Tidy up HTTP server code
* Use shared_ptr in HTTP server
* Remove check for unspecified IP
* Remove hairtrigger
* Fix missing HTTP authorization check
* Fix multisocket flags in RPC-HTTP server
* Fix authorization failure when no credentials required
* Addresses RIPD-159, RIPD-161, RIPD-390
* Comment out unused local function for both clang and g++.
* Get rid of numerous Boost warnings for clang.
* Remove some unused local variables.
* Put TAGS into the .gitignore.
* Comment out unused local function for both clang and g++.
* Get rid of numerous Boost warnings for clang.
* Remove some unused local variables.
* Put TAGS into the .gitignore.
* Make DatabaseCon's lock private and expose a scoped lock_guard.
* Get rid of DeprecatedRecursiveMutex and DeprecatedScopedLock entirely.
* Move CancelCallback to Job where it logically belongs.
