Added Asia/Calcutta for backward compatible (dmfilipenko#43)

Co-authored-by: sgoguntla <sgoguntla@paypal.com>

bump version

Update timezone from 6 to 5 for Ekaterinburg (dmfilipenko#21)

* Update timezone from 6 to 5 for Ekaterinburg

* Set correct abbr and name for Yekaterinburg

* Remove "Standard" from value of Ekaterinburg

* Set correct name for Ekaterinburg

Update package.json

update PST, PDT and PKT time zones

Update package.json

Change abbr of Coordinated Universal Time to UTC (dmfilipenko#15)

Related to Issue dmfilipenko#14

Add Moscow MSK and Samara SMT, remove Russian RST (dmfilipenko#10)

* Add Moscow MSK and Samara SMT, remove Russian RST

https://en.wikipedia.org/wiki/Samara_Time
https://en.wikipedia.org/wiki/Moscow_Time

* fix bad indent

Update timezones.json

update version