authors and changelog updated for 0.9.10

git-svn-id: https://svn.code.sf.net/p/desmume/code/trunk@4910 5577840e-afb3-4e59-9ef3-2b7f898b1952
add some notes to self

git-svn-id: https://svn.code.sf.net/p/desmume/code/trunk@4911 5577840e-afb3-4e59-9ef3-2b7f898b1952
sorry, my silly brain;

git-svn-id: https://svn.code.sf.net/p/desmume/code/trunk@4913 5577840e-afb3-4e59-9ef3-2b7f898b1952