remove check for empty message
fix for latest report in overview

* report/latest/<node_name> uses limit parameter in _query
  to get just one report
* disable "Latest Report" button if there is no report
* HTTP Status 500 if there is no report on report/latest/<node_name>
error fix, format string and css button width fix
Fix typos in README.rst, Development section.

Correcting two typos in the first line of the Development section.
Merge pull request #37 from fnaard/readme_typo_fix

Fix typos in README.rst, Development section.
Merge pull request #36 from digitalmediacenter/fix-noreport

Fix for latest report if there is no report available
Merge pull request #32 from lsjostro/remove-empty-message-check

Remove check for empty message in events.
adding link to node details page when viewing a specific report
Merge pull request #39 from sijis/node_link

Adding link to node details page when viewing a specific report
fix arguments to pypuppetdb connect()
Merge pull request #43 from nibalizer/fix_ssl

fix arguments to pypuppetdb connect()