I've moved some methods around while cleaning up, so, sorry for the big diff. I moved up the methods I checked through. There's a marker in the lower half of the file indicating where I progressed. Everything below that marker still has to be sorted out. I consider the stuff above that marker cleaned up and reviewed to a certain degree.

Real changes are:
- new method: touch(File)
- some method signatures rewritten to use java.io.File instead of String, because it's this class' policy. This might break dependant projects.
- updated some javadocs
- Removed getFilesFromExtension (this method wants to do too much). This might break dependant projects.
- Replacement for getFilesFromExtension, new method(s): listFiles which is implemented using the filefilter package. The CVS filter functionality of getFilesFromExtension can be achieved by using FileFilterUtils.makeCVSAware.


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/io/trunk@140405 13f79535-47bb-0310-9956-ffa450edef68

Author: jmaerki