typos
[BF] added new-line for prefix comparison tool warnings
[BF] update route server comparison code to reflect changes in default bird config
[IM] compare-route-server-prefixes.pl should do something instead of do_nothing
ORG-INEX1-RIPE -> ORG-INEA1-RIPE
[IM] updated trunks.cfg to reflect topology changes
[IM] cosmetic fixes for sflow-to-rrd-handler
[IM] added peering manager sflow bgp session detector
Merge branch 'master' of https://github.com/inex/IXP-Manager
[BF] use different local variable names and protect with 'my'
[IM] wider use of variable names for code which is fundamentally the same
[IM] add script to check for required perl dependencies
[BF] bugfixes for Daemon::Control
[IM] Reduce cache time pf peering data from 1 day to 1 hour
[HK] Remove exranuous files
[BF] Fixes #177 - only one switch per infra was included in EuroIX data output
Merge remote-tracking branch 'origin/inex-live'
[DB] Schema update to VLANs table

Allows an admin to decide if a given VLAN should be included in the peering matrix or peering manager.

SQL update required:

```mysql
ALTER TABLE vlan ADD peering_matrix TINYINT(1) NOT NULL DEFAULT 0, ADD peering_manager TINYINT(1) NOT NULL DEFAULT 0;
```
[NF] Front end glue for new VLAN peering matrix / manager columns
[IM] Remove hardcoded INEX VLAN details - fixes #178