[Update rexrtbBidAdapter] Update default host (#3217)
[Update rexrtbBidAdapter] Update default host (#3217)

* Add: rxrtb prebidAdapter

* Update: params for test

* Update: code format

* Update: code format

* Update: code format

* Fix param check

* Update rxrtbBidAdapter.js

* Remove required source param

* Update and rename rxrtbBidAdapter.js to rexrtbBidAdapter.js

* Update and rename rxrtbBidAdapter.md to rexrtbBidAdapter.md

* Update and rename rxrtbBidAdapter_spec.js to rexrtbBidAdapter_spec.js

* Revert "Update rxrtbBidAdapter.js"

This reverts commit 09bca026d7e28e98ed5ff7a138df78618cd363a2.

* Revert "Update and rename rxrtbBidAdapter_spec.js to rexrtbBidAdapter_spec.js"

This reverts commit 2481c58bb10a4634327773198edaaeea3b5a89f5.

* Revert "Update and rename rxrtbBidAdapter.md to rexrtbBidAdapter.md"

This reverts commit af9a49134752043e83c6fd922ba16e7ffd6f8f42.

* Revert "Update and rename rxrtbBidAdapter.js to rexrtbBidAdapter.js"

This reverts commit 81a17ad8076cdafc637ca9a69f57fe1180a8c7a1.

* Revert "Remove required source param"

This reverts commit 38b273d76aa2d93ab167b96db80ca146d5267e2e.

*  Revert "Update rxrtbBidAdapter.js"

* Update and rename rexrtbPrebid

* Update default host

* Revert update

* Update default host

yieldbot/Prebid.js,tchibirev/Prebid.js,varashellov/Prebid.js,polluxnetwork/Prebid.js,prebid/Prebid.js,prebid/Prebid.js,PWyrembak/Prebid.js,Niksok/Prebid.js,ImproveDigital/Prebid.js,indexexchange/Prebid.js,ImproveDigital/Prebid.js,Adikteev/Prebid.js,Adikteev/Prebid.js,Niksok/Prebid.js,olafbuitelaar/Prebid.js,HuddledMasses/Prebid.js,Niksok/Prebid.js,PWyrembak/Prebid.js,passit/Prebid.js,passit/Prebid.js,tchibirev/Prebid.js,yieldbot/Prebid.js,PWyrembak/Prebid.js,mcallari/Prebid.js,olafbuitelaar/Prebid.js,indexexchange/Prebid.js,ImproveDigital/Prebid.js,HuddledMasses/Prebid.js,PubWise/Prebid.js,PubWise/Prebid.js,mcallari/Prebid.js,polluxnetwork/Prebid.js,gumgum/Prebid.js,prebid/Prebid.js,PubWise/Prebid.js,HuddledMasses/Prebid.js,gumgum/Prebid.js,gumgum/Prebid.js,varashellov/Prebid.js