Timezone selection change to free text

[Oanh-and-only-Oanh]

Timezone doesn't have Pacific/San Diego (or LA, San Fran, etc.) - very hard to find my timezone - remove restriction for now and just make free textenable

[SathyaJayabal]

@Oanh-and-only-Oanh , timezone is based on the timezone here:
https://connect.topcoder-dev.com/settings/profile

please see discussion here
#10

[LCDuggan]

I cannot find time zone for Eastern Standard time.

[Oanh-and-only-Oanh]

@rakibansary @SathyaJayabal, is it working in dev? Are we able to find Eastern Standard time?

[vikasrohit]

@LCDuggan @Oanh-and-only-Oanh I can see easter time zone with typing new york in the timezone box.

[vikasrohit]

And for PST, I can see Los Angeles