Add support for SLES

  * Tested against SLES 11 SP3
Merge pull request #32 from tehranian/add-sles-support

Add support for SLES
Version bump; Download Consul 0.4.0
Merge pull request #33 from tehranian/consul-0.4.0

Version bump; Download Consul 0.4.0
Add join_wan feature
Merge pull request #35 from dblessing/feature/multi_datacenter

Add join_wan feature
Add sysconfig support for sysv
Merge pull request #37 from dblessing/feature/gomaxprocs

Add sysconfig support for sysv
bump to version 0.4.1
Merge pull request #38 from kennyg/master

bump to version 0.4.1