correct prototypes

git-svn-id: http://btstack.googlecode.com/svn/trunk@2823 1a0a8af8-31b5-11de-8e0c-53a27eea117e
fix unused parmeters warnings in btstack_memory

git-svn-id: http://btstack.googlecode.com/svn/trunk@2824 1a0a8af8-31b5-11de-8e0c-53a27eea117e
fix compiler warnings

git-svn-id: http://btstack.googlecode.com/svn/trunk@2825 1a0a8af8-31b5-11de-8e0c-53a27eea117e
primitive hal_led interface

git-svn-id: http://btstack.googlecode.com/svn/trunk@2826 1a0a8af8-31b5-11de-8e0c-53a27eea117e
let led blink

git-svn-id: http://btstack.googlecode.com/svn/trunk@2827 1a0a8af8-31b5-11de-8e0c-53a27eea117e
add in alpha Bluetooth code

git-svn-id: http://btstack.googlecode.com/svn/trunk@2828 1a0a8af8-31b5-11de-8e0c-53a27eea117e