Added gitignore for emacs files
Added pycache dirs to gitignore
Created fd-info script to filter and display file descriptor events

Right now only sys_open and sys_openat are considered for open events.
It is possible to filter events by type (open/close/all) and by filename
prefix. More options and events will be added promptly
Added support for statedump FD events
Add support for multiple type arguments
Make quotes more uniform
Add support for socket type open events
Fix default prefix value which prevented display of sockets
Add proc.db to .gitignore
Add support for sys_dup2 events
Add support for sys_fcntl event
Changed to more precise time output format
Add filtering by PID
Add filter by process name
Fix quotes again
Merge remote-tracking branch 'upstream/master'