get pxe - minor changes
get pxe - authentication is not necessary
get pxe - better exceptions catching
nexthostname - also check in discovery
first free ip - top margin
device info and addresses forms - "next hostname" and "first free ip" suggestions
Deleted racks filtering. Mass deploy: check PTR record in domain validation.
nexthostname - also check PTR records
deployment - tests improvements
 Fixed concurrent_get_or_create for puppet plugin
Merge pull request #368 from andrzej-jankowski/dev

get pxe - authentication is not necessary
Merge pull request #374 from andrzej-jankowski/deployment

nexthostname - also check hostnames in discovery
Merge pull request #381 from andrzej-jankowski/discovery

 Fixed concurrent_get_or_create for puppet plugin
Merge pull request #380 from andrzej-jankowski/master

Mass deploy - minor improvements
Merge pull request #375 from andrzej-jankowski/nextip

first free ip - top margin
review fixes
review fixes - part 2
deploy form - sorting ventures by name; sorting preboots by name;
Merge pull request #378 from andrzej-jankowski/ui

device info and addresses forms - "next hostname" and "first free ip" suggestions
Merge pull request #382 from andrzej-jankowski/deployment

deploy form - sorting