XML-Print Webservice

Changed file locks from exclusive to shared in load methods.

Updated manifests

Fixed the bug which caused the client apps to crash if the
system subdirectories contain files that are not valid xml
files of the expected type.

Added an enhancement that more elegantly handles a corrupt
status list file in the applicant client.

design pattern singleton

fixed the rounding bug of the grading

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Changed the SAX parser from crimson to xerces.
Reprogrammed the whole file locking functionality.
Added an ignore checkbox to approval requests.
Added some methods to simplify working with approval
requests.
Fixed a bug where the number of approval requests was
incorrectly displayed.

forgot to add xerces jars

Updated xerces an xalan.

added bidirectional association

bin to cvsignore