Changed Padrino-Flash to check env['rack.session'] instead of settings

This enables Padrino-Flash to be used with any Rack Sessions, instead
of just Rack::Session::Cookie.
Fix rake tasks for Mongoid 3
Merge pull request #967 from dayflower/fix_mongoid_tasks_2

Fix rake tasks for Mongoid 3
Fixed typo in the generated database.rb file
Merge pull request #968 from matthias-guenther/master

Typo fix for the generated application.rb
Typo fix for the generated application.rb #968
fix missing media.less
add missing jQuery v1.8.2
Merge pull request #969 from WaYdotNET/pdev

Typo fix for the generated application.rb #968
clean code
Merge pull request #970 from WaYdotNET/pdev

clean code
fix Jquery
Merge pull request #972 from WaYdotNET/pdev

fix Jquery
Merge pull request #952 from wciu/master

Changed checking of settings.sessions to checking of existence of a rack session.
add explicit Rakefile and remove generation task closes #925
fix type and generate Rakefile.tt
Update padrino-helpers/lib/padrino-helpers/locale/pt_br.yml

Fix the separator and delimiter in currency in pt_br.yml.
Merge pull request #977 from dannluciano/patch-1

Update padrino-helpers/lib/padrino-helpers/locale/pt_br.yml
Fixed wrong intendation of set options
Cleanup of redundant comments in test-files