Update constructor definitions to use class names (see http://sourceforge.net/p/swig/bugs/1265/)
Add serialVersionUID to GSSException and GSSExecptionImpl definitions
Housekeeping of unused imports and variables
gitignore file that ignores files generated by SWIG
Use edu.mit.jgss namespace in gsswrapper_wrap.h
swig build target
Ignore generated wrapper file
remove cleanswig dependency from clean target