clean up, remove eof comments

Change-Id: I166e781cb54181a8e5d08021cf5f6dfcd1fde5cb
fix-includes.pl: svgio

Change-Id: I660f0b2da8f5e6fd8de37e22fd4edd2bd8d21ef8
idl: remove external header guards

Change-Id: I78661f0750e4213a20dd2341580cbb181897f3ba
idl: fix some include guards

Change-Id: I6f306ba26d888a617aae89d29fc80acd00bd71d8