+ some TT2 options need to be set on the Template::Provider

+ some TT2 options need to be set on the Template::Provider
+ M::CLI - accommodate different combinations of trailing slash on the uri_base & request url, add tests to t/01basics.t
+ Improve error messages from BeerDB if SQLite datasource doesn't exist
+ header_field_names() requires HTTP::Headers >= 1.59

git-svn-id: http://svn.maypole.perl.org/Maypole/trunk@318 48953598-375a-da11-a14b-00016c27c3ee