Fixed file-size sorting with terabytes
Give user ability to define hosts to ping

This commit gives the ping widget the ability to read the contents of file "ping_hosts" so users can define which hosts get pinged for the ping widget, same as the where.php widget.
make close btn smaller to prevent UI from being broken
Change from get_file_contents to file
fix typo
Better sorting of file-size columns
Better sorting of file-size columns
Merge pull request #144 from lgaetz/master

Give user ability to define hosts to ping
lose the apostrophes
Merge pull request #143 from vernes/master

Fixed file-size sorting with terabytes
Merge pull request #145 from arnaudbey/fix-close-button

make close btn smaller to prevent UI from being broken
remove btn-mini class from several refresh btns
resized bandwidth widget
add localstorage for widget order and recode hidden widget storage to not collide with order
clean up code
Merge branch 'keep-widget-ordered'
Merge branch 'master' of https://github.com/arnaudbey/linux-dash