issue #126 start of java 7 implementation
issue #126 propagate BEASTInterface to parsers and BEAUti
issue #126 add BEASTInterface
issue #126 ensure junit tests run
issue #130 make StateNode extend CalculationNode so StateNodes can be inputs to StateNodes
Merge branch 'master' into java7
switch build file back to java 6
issue #113 adapt figure for Mac release
issue #126 add junit test
issue $126 expand test and update code for it
issue #56 auto fix mean mutation rate in BEAUti
issue %56 update tests to fix mean rate auto update
issue #56 auto set mean subst rate even if not using site model panel
issue #128 timeout 30 seconds before showing warning, issue #104 migrate JPackageDialog to a panel
issue #122 BEAUti error reporting through capturing stderr & stdout, available in Help/Messages menu
issue #136 throw exception when proportion invariant has unreasonable value.
issue #137 add threads input to CompoundDistribution, fix benchmark examples
issue #122 BEAUti error reporting even when openening a new BEAUti document
Added static method sameAbsolute().  Closes #139.
issue #99 create launcher apps for beast, beauti and logcombiner