Add README, remove old html doc.

Makes script executable.

README.md

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+ereshkigal -- Monitor and manage autoSSH tunnels
+================================================
+
+## SYNOPSIS
+
+`ereshkigal` [-h]
+
+`ereshkigal` [-c] [-n] [-a] [-l LEVEL] [-f FILE]
+
+
+## DESCRIPTION
+
+`ereshkigal` is an autossh tunnel monitor. It gives a user interface to monitor existing SSH tunnel that are managed with autossh. 
+
+It can print the current state of your tunnels or display them in an interactive text-based interface.
+
+`ereshkigal` is released under the GNU Public License v3.
+
+
+## INSTALLATION
+
+`ereshkigal` targets Linux operating systems, and depends on:
+* `autossh` (which needs `OpenSSH`, obviously)
+* `python` ≥ 2.4
+
+
+## OPTIONS
+
+Called without option,`ereshkigal` will print the current state of the autossh tunnels and exit.
+
+* `-h`, `--help`:
+  Show a help message and exit
+
+* `-c`, `--curses`:
+  Start the interactive user interface. Tunnels states will be updated regularly and you will be able to control them (see below).
+
+* `-n`, `--connections`:
+  Display only SSH connections related to a tunnel. This feature is only available as `root`, because it needs system permissions.
+
+* `-a`, `--autossh`:
+  Only display the list of `autossh` processes.
+
+* `-l LEVEL`, `--log-level LEVEL`:
+  Control the verbosity of the logging, the greater, the more verbose. Available log levels are: `error` < `warning` <
+  `debug`. Defaults to `error`, which only prints unrecoverable problems.
+
+* `-f FILE`, `--log-file FILE`:
+  Log messages are written to the given FILE. Useful to debug the interactive interface.
+  If not set, asking for the curses interface automatically set logging to the "ereshkigal.log" file.
+
+
+## INTERACTIVE INTERFACE
+
+Keyboard commands:
+
+* `R`: Reload the selected autossh instance (i.e. send a `SIGUSR1`, which is interpreted as a reload command by autossh).
+* `K`: Kill the selected autossh instance (i.e. send a `SIGKILL`).
+* `T`: (only available as root) show the tunnel connections related to each autossh instances.
+* `Q`: quit ereshkigal.
+