PlatSim-related launch wizard changes: (1) Remember last connection created and offer this by default in the Select Connection dialog; (2) Immediately open New Connection dialog if debugging and no connections exist; (3) Split out SelectConnectionDialog; (4) Fix some wording in Select Connection dialog since this is not always an error situation.

bin.includes = META-INF/,\
               xmlunit1.0.jar,\
               tools/,\
               testsupport.jar
jars.compile.order = testsupport.jar
source.testsupport.jar = src/
output.testsupport.jar = bin/