Fix typos in OpenvSwitch admin guide scenario

as noted in the bug report, this guide suffered from two typos that
mixed up the subnet and vlan ID of the two networks described.

Change-Id: I3a406ef21f4f71d13aab7c2ac11d348cc1f83318
Closes-Bug: 1291444
Fix neutron-l3-agent primitive in ha guide

As reported by Aaron Bell, the primitive in the network-l3
section of the ha guide was incorrect. This patch adjusts the value.

Change-Id: I512414af3149d9ae7a5b4458780f3ccd6380a94e
Closes-Bug: 1294852
Fix nonfunctional sed line in training guides

As noted by Jesse Chen, the sed line fixed herein did not
do anything. The intention would have been to uncomment the line.

Change-Id: Ie01b38d37050f48487ea86242517c22b13c8bdd7
Closes-Bug: 1297482
Merge "Fix typos in OpenvSwitch admin guide scenario"
Merge "Fix nonfunctional sed line in training guides"
Imported Translations from Transifex

Change-Id: If18a65b3c696707cc1ef28b4bc0e547bd9940615