* update nokia mibs
* database migrations
* add code
* html code
* update db schema
* add test data
* add FIXME
* move mibs/nokia/MPLS-TE-MIB to mibs/MPLS-TE-MIB
* WIP - Add MPLS Support
This introduce the generic MPLS support
- New database tables for MPLS LSPs
- actually discovery and polling on NOKIA SR OS (Timetra) devices
- new routing->MPLS HTML pages
- ToDo MPLS LSP paths table and views
Suggestions and improvements are welcome
* add db schema
* some fixes
* add path table, discovery and polling
* add path views
* add test data
* Convert MPLS module to new style
Implement a SyncsModels trait to simplify code a lot
* abs() for negative value from snmp (bug?), test data
* fix db schema
* Fix up test data, remove uneeded data in json
* fix whitespace
