Fix half day bug, other config changes
Merge branch 'rails4_feature' of github.com:etskelly/holiday_machine into rails4_fixes

Conflicts:
	app/models/absence.rb
	app/views/layouts/_footer.html.erb
Merge branch 'rails4_fixes' of github.com:etskelly/holiday_machine into rails4_feature

Conflicts:
	app/models/absence.rb
Update validates to ruby 1.9 syntax
Update gems
Merge pull request #96 from etskelly/rails4_merge_issues

Rails4 merge issues