Added valgrind to the projeto and Makefile changes
changed headers files
Brute force algorithm implemented
Merge branch 'master' of github.com:pantuza/mestrado into paradigms

Conflicts:
	PAA/paradigms/Makefile
	PAA/paradigms/lib/brute.h
	PAA/paradigms/lib/file.h
	PAA/paradigms/lib/strtype.h
	PAA/paradigms/src/brute.c
	PAA/paradigms/src/file.c