Fix typos in documentation and code.
Update SLImport.feature

Fix typo (cut-n-paste?) in the SpatiaLite import functional test.
Merge remote-tracking branch 'remotes/bradh/typofixes-2014-03-10'
Merge pull request #623 from bradh/patch-1

Update SLImport.feature
Fix DiffTreeWalk to report parent trees if so instructed and there's a single node path filter.

This was not so in the case there was a single path filter, so DiffTreeWalk entered an optimized code path that didn't took into account if the boolean reportTrees flag was set.
Merge pull request #626 from volaya/add_path

Ensure that trees are staged when adding to index using a path filter for a feature
update readme to reflect 0.7 is out
Force cli command help to be printed to the cli console's output stream, which may be redirected