Py-ioticagent

- Update to README to suggest pip & setuptools package update
- Fix template filter-by-text case sensitivy (should be insensitive)
- Fix template for local point handling (value descriptions)
- Add ThingRunner retry options (via exception callback)
- Fix socket.error handling in PY2 (as it not subclass of OSError)

- Use regex module instead of builtin re one (if available)
- Only install enum34 module for old Python versions

- Updated for QAPI v1.2.0 support
- Support for local_own search/describe scope
- Fixed resource leak (unclosed file object in IOT.Config loading)
- Remove redundant rdflib import checks (since now mandatory)
- Make runtime warnings use warnings module
- Additional Units

- Updated for QAPI v1.1.0 support
- Tags and Value labels are now language neutral
- All point values can now be removed at once
- Removed deprecated IOT.Client db parameter
- Embedded documentation now points to README for installation
- Support for local search/describe feature (container specific)

- SSL version check allows for OpenSSL 1.1.x series
- Expose additional callbacks in IOT module (from Core)
- Search text now optional (location radius restricted to 25km in that case)
- Minor documentation updates

- Updated for QAPI v0.8.0 support
- Meta labels & comments now use iotic specific properties
- Support for "recent data" feature
- Removed IOT.DB feature (superseded by "recent data")
- Removed IOT.Client.close (was previously deprecated)