add maven structure
use apache commons io and java 1.7 nio for the file processing
- implement regex search in file contents
- add unit tests for RegexContentFileFilter
update the readme
format the readme requirements
test file search utility and some code cleanup
add apache commons CLI
fix assert message
wire up main method of the program
add javadocs
can build executable jar
update readme for run instructions
update requirements section
Merge pull request #1 from ds640c/develop

Develop