[builder] Compile `.strings` resource files as binary plists.
[builder] Compile `.strings` resource files as binary plists.

Signed-off-by: Eloy Durán <824a8b3b53f622742eb0570ebe0b80cc73431e09@gmail.com>

HipByte/RubyMotion,beni55/RubyMotion,HipByte/RubyMotion,incbee/RubyMotion,jjaffeux/RubyMotion,jjaffeux/RubyMotion,incbee/RubyMotion,katsuyoshi/RubyMotion,incbee/RubyMotion,hboon/RubyMotion,beni55/RubyMotion,beni55/RubyMotion,hboon/RubyMotion,katsuyoshi/RubyMotion,beni55/RubyMotion,incbee/RubyMotion,katsuyoshi/RubyMotion,jjaffeux/RubyMotion,hboon/RubyMotion,katsuyoshi/RubyMotion,HipByte/RubyMotion,jjaffeux/RubyMotion