Merge pull request #5 from luisvaldes88/master

Added initial readme file.
Added information about the wiki in the README file.
Merge pull request #6 from gustavovaliati/master

Added information about the wiki in the README file.
Added the GPL v2 license to source files.
Merge pull request #8 from gustavovaliati/master

Added the GPL v2 license to source files.
Merge branch 'master' of https://github.com/CELTAB/rfidmonitor