started reorganizing repository
finished and tested preprocessing script
edit gitignore to exlude compiled files, add out of memory output for Mapper.java
Merge branch 'reorganizeRepo' of https://github.com/aalto-ics-kepaco/path-index-graph-kernel into reorganizeRepo
adding results directory
add force overwrite parameter to preprocessing script
fix minor isses
fix issues with output dir
changed typo in folder
fixed typo also in build.sh code
parametarized files/folders for input
added label extractor for kegg
fixed regular expression to also include - for ec codes
correcting RE in label extractor