change test gem cache to 1.9
remove nagios and ganglia from trunk for now
Rewrite code updating navigation.rb

We re-generate navigation.rb fully now, instead of updating it live
(which can easily break if navigation.rb gets touched by someone).
Merge pull request #1860 from cloudedge/master

https://github.com/crowbar/crowbar/pull/1860

Merged by devtool for VictorLowther
Merge pull request #1858 from vuntz/rebuild-navigation

https://github.com/crowbar/crowbar/pull/1858

Merged by devtool for cloudsleuth
Revert "Rewrite code updating navigation.rb"

This reverts commit a62a51c29bdd356fd9d1f71967e61325943b50e1.
Merge pull request #1862 from cloudsleuth/pull-req-master-7c7f5fbc4bfa11249663d08459068f0f7e531991

https://github.com/crowbar/crowbar/pull/1862

Merged by devtool for cloudsleuth
Make build_sledgehammer.sh clean up after itself.
Add libssl install as a prereq to bringing up Crowbar.
Merge pull request #1865 from VictorLowther/pull-req-master-eb58d7eb34947d94df37735a5737ff83f511c62b

Fix build dependencies for making an installable development build [2/2]
add tests console for debugging