Use respond_to { |format| format.any } to reduce duplication
Merge pull request #204 from mmozuras/refactor_to_use_format_any

Refactor to use format any
Refactor negative blank? into present?
Refactor "unless blank?" into "if present?"
Merge pull request #205 from mmozuras/refactor_negative_blanks_into_presents

Refactor negative blanks into presents
Refactor session expire method
Merge pull request #206 from mmozuras/refactor_unless_blanks_into_presents

Refactor unless blanks into presents
Merge pull request #207 from ajanauskas/refactor/session_expire_method

Refactor session expire method
fix deprecation warnings
Merge branch 'master' into new-gui

Conflicts:
	app/views/projects/_project_settings.html.erb
	app/views/todos/_todo.html.erb