[CHORE] Bump app version to 1.0.18 (36)

Merge branch 'chore/bump_version_2' of github.com:RocketChat/Rocket.Chat.Android into chore/bump_version_2

[FIX] Re-enable navigation icon animation and its touch listener on the main (entry) screen.

[FIX] Spotlight results

[FIX] Set client to use Cordova's project Sender Id when no token on Settings

Merge branch 'local-spotlight' of github.com:filipedelimabrito/Rocket.Chat.Android into local-spotlight

[CHORE] Bump app version to 1.0.18 - 35

[NEW] Spotlight now searchs the rooms that you are subscribed.

[NEW] Initial support for livechat channels & fix crash on 1.0.18

Add 'Add new team' label to add server button and changed fallback placeholder icon to favicon asset size 512x512 which is usually the RocketChat default icon if not changed by the admin