A lot of cleaning up and bug fixing in the build script.  Two problems in particular are resolved: cleaning works properly now, and building multiple target projects works now (e.g. jcom.parameter and jcom.message).
A lot of cleaning up and bug fixing in the build script.  Two problems in particular are resolved: cleaning works properly now, and building multiple target projects works now (e.g. jcom.parameter and jcom.message).

git-svn-id: c70bd4441ad5e0563430019b01ef925cf1c0ee30@2761 464221e2-0a0f-0410-983b-f8d57d210c17

eriser/JamomaCore,eriser/JamomaCore,eriser/JamomaCore,eriser/JamomaCore,eriser/JamomaCore,eriser/JamomaCore,jamoma/JamomaCore,jamoma/JamomaCore,eriser/JamomaCore,jamoma/JamomaCore,jamoma/JamomaCore,eriser/JamomaCore,jamoma/JamomaCore,jamoma/JamomaCore,jamoma/JamomaCore