addes Shawns heptoptagger and nsubjetines code and the changes to the sjfjalgo
minor
Merged merged_5_3_11 from repository muell149
Merged boosted_5_3_11 from repository hannes-kit
set fat jet pt cut to 100 GeV
incorporated Shawn's newest changes and cleanup in HEPTopTagger and SubjetFilterjetProducer
set fat jet pt cuts to 100 again
bugfix for Sjfj and HEPTT algos