Update train-model.perl

When I was working with factored models, my experiments failed. After some invistigation, I discovered that the delimiter is hardcoded in several places to "|" so I changed it to $___FACTOR_DELIMITER
Update read_compressed to support concatenated gzip
Fix progress bar for compressed files
Update README
RPM installer builder builder (sic) now allows specification of Boost installation.
Merge branch 'master' of github.com:moses-smt/mosesdecoder
Typo fixed
Fix another typo
Removed fuzzy-match from scripts for RPM build.
RPM installer no longer dependent on Boost.
tree fragments: tiny issues with the extraction pipeline
fixed compile errors in debug mode
prepare for the next version of DALM.
Merge remote-tracking branch 'origin/master'
don't complain if input contains non-escaped '<' or '>', but is not XML
use boost::unordered_map for CacheColl. Marginally faster
fix bug if interpolated lm on different factors
Merge branch 'master' of ssh://github.com/moses-smt/mosesdecoder
copy weights of features with 'tuneable=false' to final config (now also works with -return-best-dev)
tune DALMWrapper.