If line is a file, skip it
Display search status in the top right
Add argument to search by filetype

examples:
	ngp -t c
	ngp -t sh
Colorize lines and folder names
init mutex after
check arguments number using argc and optind
improve usage display
implement push function

Pushing 'p' now opens the file in your
editor and when quitting it later,
the search results are still present.

Pushing Enter has the old behaviour.
Add number of hits/number of files scanned at the end of search

Also correct minor graphic bug
Check if config file is in current directory if not found in /etc

Also display a comprehensive error
Don't grep symlinks
Try to keep 80 cols maximum per line
add README installation
fix blocking thread while a file is open

Fixes #20
remove double '/' on file name only
use push with Enter as well
add autotools
Handle any numbver of spaces in the file name
Display "No results" if none are found