added general function to convert to unix
moved conversions to local variable with touched filenames
changed lisp configuration to unix filename comnvention
fixed name ensime-cygwin-convert-to-unix to ensime-cygwin-convert
minor reorganization
added filename conversion to ensime-show-uses-of-symbol-at-point
added filename conversion to notes result
added filename conversion to comint-preoutput-filter-functions