Fixes #405 : Modifies strings to have zulip standard capitalization scheme.
Fixes #405 : Modifies strings to have zulip standard capitalization scheme.

abhaymaniyar/zulip-android,vishwesh3/zulip-android,prati0100/zulip-android,prati0100/zulip-android,zulip/zulip-android,Sam1301/zulip-android,Sam1301/zulip-android,abhaymaniyar/zulip-android