Growing jujud.tgz sizes

[John Arbash Meinel]

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Hey guys, I was just copying the tools to HP, and I noticed our
tarballs are getting a lot bigger. The *compressed* size has gone from
	2.2MB in juju-1.10.0-precise-amd64.tar.gz
	1.9MB in 1.9.10
	2.4MB in 1.11
	2.6MB in 1.11.2
	2.7MB in 1.11.3
	2.95MB in 1.11.4
	4.12MB in 1.12.0	**
	2.97MB in 1.13.0
	2.99MB in 1.13.1

I realize that some of the growth is because we're handling more
providers, but is it really growing to double in 1.12? Also why are
1.11.4 and 1.13.1 3MB while 1.12 is >4MB (which is presumably the same
code as 1.11.4).

Thoughts? Should we consider switching to a .tar.xz distribution?
	18.0MB	juju-1.12.0.tar
	 4.0MB 	.tgz
	 3.3MB	.tar.bz2
	 2.8MB	.tar.xz

Note the raw 'jujud' is ~18MB here. Which is the same size when I
compile it manually. I have the sneaking suspicion that some of that
is a go 1.0.3 vs go 1.1 thing.

John
=:->
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