Updated styles for the Google Auth button (GRN-31) (#296)

* Greenlight landing page layout adjustments, general cleanup and responsive styles

* Text update Signup to Sign up

* Updated Google Sign in and Sign up styles

* no changes were made to sample env but needed to commit it

* minor padding update on the Google icon

* deleted Google Auth secrets from the sameple.env

* updated the if condition in new.html.erb

* <changed logic of button display>

* Update _login_modal.html.erb

config/locales/en.yml

@@ -76,7 +76,7 @@ en:
     upgrade: Show me how to upgrade to 2.0!
     version: We've released a new version of Greenlight, but your database isn't compatible.
   ldap_error: Unable to connect to the LDAP server. Please check your LDAP configuration in the env file and ensure your server is running.
-  login: Login
+  login: Sign in
   modal:
     create_room:
       auto_join: Automatically join me into the room.
@@ -96,7 +96,7 @@ en:
       warning: You will <b>not</b> be able to recover this room or any of its associated recordings.
     login:
       or: or
-      with: Login with %{provider}
+      with: Sign in with %{provider}
   omniauth_error: An error occured while authenticating with omniauth. Please try again or contact an administrator!
   password: Password
   recording:
@@ -154,8 +154,8 @@ en:
   signup:
     password_confirm: Password Confirmation
     subtitle: Create an Account
-    title: Signup
-    with: Signup with %{provider}
+    title: Sign up
+    with: Sign up with %{provider}
   terms:
     accept: I accept the %{href}
     accept_existing: I accept the terms and conditions