fixed JSON Pointer returned by error

* pointer expression was broken
* escape ~ and / accoring to http://tools.ietf.org/html/rfc6901#section-4
* fixed manifest file and relative paths in tests
merged
Merge remote-tracking branch 'original/master' into hotfix/loose_typed_integer
add new instance type for loose mode
remove unused imported method

Conflicts:
	lib/JSV/Keyword/Draft4/Dependencies.pm