1) Change log to "log.txt"
2) Fix a crash when an invalid directory is specified in the textbox.
3) Fix working folder for loading library. Now it searches for dependencies in the same folder as the plugin dll.
4) Fix configuration save/loading
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4102 96395faa-99c1-11dd-bbfe-3dabce05a288