Merge pull request #82 from tzcoolman/master

set contam clean pointers in simple_check_1_ge.c to the correct position after processing each chunk, simplify scoring system
Rename files to more intuitive ones, easing newcomers adoption (like @inodb)
Merge pull request #83 from brainstorm/master

Rename files to more intuitive ones, easing newcomers adoption
merge check.c into query.c & add instruction for remove.c