BHV-12513 Reduce redundant function call in creating process
Calling dayOfWeekLengthChanged() requires setDays() but it is unnecessary.

Enyo-DCO-1.1-Signed-off-by: David Um david.um@lge.com
BHV-12513 Modify sample to use pre selected locale as an initial value

Enyo-DCO-1.1-Signed-off-by: David Um david.um@lge.com
BHV-12513 Use separate ilib.DateFmt instance for day
to use updated locale

Enyo-DCO-1.1-Signed-off-by: David Um david.um@lge.com
BHV-12513 Change variable name to keep consistency

Enyo-DCO-1.1-Signed-off-by: David Um david.um@lge.com
BHV-12513 Remove unnecessary Date formatter

Enyo-DCO-1.1-Signed-off-by: David Um david.um@lge.com
BHV-12513 Change var name for better readability

Enyo-DCO-1.1-Signed-off-by: David Um david.um@lge.com
BHV-12513 fix comments

Enyo-DCO-1.1-Signed-off-by: David Um david.um@lge.com
Merge pull request #1717 from enyojs/BHV-12513-davidum

Bhv 12513 Calendar: First day of week does not changed based on locale 

Reviewed-By: Krishna Rangarajan (krishna.rangarajan@lge.com)
Integrated-By: Aaron Tam (aaron.tam@lge.com)