Correct the definition of the prepareImportValue function
Update prepareImportValue function
Add russian language

Add russian language file
Update commit to use FieldManager::saveSettings
Merge pull request #128 from alexbirukov/development

Add Russian language
Whitespace and signature update for the update() method
prepareImportValue dirty fix
Merge branch 'development' of github.com:andrrr/datetime

Conflicts:
	fields/field.datetime.php