commitmonitor Code

Pass an encryption description: this is required on Win2k.
This fixes issue #21.

Ignore own commits. This implements issue #4.
* add checkbox to the url dialog to enable the ignore-own-commits feature.
* add boolean param to the CUrlInfo class and serialize it properly.
* in the updating thread, check the log messages if they match the own author and ignore those if requested.

en/decrypt the passwords when serializing them to disk.
This fixes issue #5.

Indicate the GPL license.

Use a memory mapped file for loading the url infos.

Add time measuring code. First step in optimizing the load/save of the url infos.

Limit the entries to 1000 (for now).

Use buffered file read/write.

Implement using an svnrobots.txt file which can set certain rules to reduce 'hammering' a server:
* disallowautodiff : if set, then automatic diffs are not allowed
* checkinterval = XX : minimum interval in minutes between checks

Show an error message box when selecting a tree item, if there was an error the last time that url was accessed.