fix TeamCity tests
Merge pull request #15 from kashivreddy/fixtests

fix TeamCity tests
Change hostname only if they differ and added restart machine
Set gateway for all networks if specified not just for public
Merge pull request #16 from kashivreddy/restarthostset

Change hostname only if the name is different and added restart machine
Merge pull request #17 from kashivreddy/pubgateway

Set gateway for all networks if specified not just for public
fixed the issues of network reset failure because of previous network names clash from snapshot
Merge pull request #18 from kashivreddy/pubgateway2

fixed the issues of network reset failure because of previous network na...
fixed resetnetwork failing with old xentools(<6.1)
Merge pull request #20 from kashivreddy/resetnw_in_old_xentools

fixed resetnetwork failing with old xentools(<6.1)
fixed typo in Properties file
Merge pull request #21 from kashivreddy/resetnw_in_old_xentools

fixed typo in Properties file