* core: set namespace from the sysview's mount entry on GeneratePasswordFromPolicy
* test: update TestDynamicSystemView to be ns-aware, update tests
* add changelog entry
* Add random string generator with rules engine
This adds a random string generation library that validates random
strings against a set of rules. The library is designed for use as generating
passwords, but can be used to generate any random strings.
Calvin Leung Huang