Added ec2 tags to volumes and snapshots (Updated for release-0.3.3)

[echupriyanov]

Updated PR against release-0.3.3 branch

Signed-off-by: Eugene Chupriyanov tchu@tchu.ru

[coveralls]

Coverage remained the same at 92.193% when pulling 1bc0517 on echupriyanov:ec2tags-0.3.3 into 806dc9b on emccode:release/0.3.3.

[clintkitson]

Waiting on merge of #359 and must be rebased from there.

[miry]

@echupriyanov You can add only 1 tag as I understand, the tag key name is static to rexraySet. Correct?

Is it possible to specify custom key/value tags ?

[echupriyanov]

@miry Yes. In this PR tag is hard-coded to be rexraySet.
But, since this PR is going to be rewritten based on official AWS SDK, I’m open for suggestions on how to improve it.

Custom tag keys/values is a good idea. I’ll think how to implement it.

[akutz]

Hi @echupriyanov,

I'd love to merge this for 0.3.3, but you'll need to rebase this off of 0.3.3 to incorporate your ec2 SDK changes. I started to merge it myself, but I ran into enough compile issues that I decided to "delegate" it back to you :)

[akutz]

Hi @echupriyanov / @clintonskitson,

I went ahead and created a merge branch with the above changes. If you want, you can just update your PR branch to reflect the linked patch.

[akutz]

Hi @echupriyanov / @clintonskitson,

I merged this so we can push a 0.3.3-RC1 sooner than later. If there are issues with it we can revert it.

[echupriyanov]

@akutz sorry, was offline this weekend and didn’t help you to prepare PR. Hope to be more useful next time.

[clintkitson]

@echupriyanov Could you test RC1 with your changes?

[echupriyanov]

@clintonskitson sure. I plan to build testing swarm cluster tomorrow, and will install RC1 on it.

[akutz]

Hi @echupriyanov, no worries! Thank you so much for the initial work on this and the other branch. Just at a glance though does this look like I captured your changes correctly?