Trivial typo fix.
Merge pull request #1184 from vadz/patch-1

Trivial typo fix.
corect the sense of the old-slave support for slaveVersionIsOlderThan
getVersion: add utility to get version of buildbot or plugins

This will be usefull for out of tree plugins

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
Merge tardyp/buildbot:getVersion (PR #1185)
add a note about one-line-per-sentence style
re-formatted the file according to one-line-per-sentence style
slightly change the structure of manual/customization
Merge sa2ajj/buildbot:docs-customization (PR #1186)
Add waterfall view
Restore accidentally removed function call
Merge tothandras/buildbot:waterfall_view (PR #1187)
nowrap names
Merge tothandras/buildbot:console_view (PR #1188)
remove master-side support for old-style source steps

Fixes #2842.
remove reference to non-existent class
fix location of EC2 latent build slave
fix module name
make ec2 not to bail when boto is not installed

* however make it bail if EC2LatentBuildSlave is used anyway
Update waterfall view