Merge pull request #124 from Talaren/master

Fix for "Rogue pidfile found!"
Allowed to attach the screen from another user.

In addition I updated the help command.
Removed unneccessary code.
Merge pull request #130 from stuxcrystal/master

Allowed to attach the screen from another user. [e.g. root]
Added a feature to send a command.
Merge pull request #134 from stuxcrystal/commands

Added a feature to send a command.
Minor formating
Handling log roll for multiple log files.

Also handles logs already rolled by their mods correctly.
Archive the logs with one of the BACKUPFORMAT commands instead of gzip.
Simpler backup methods and allowed whole backup to use zip.
Merge pull request #139 from rogernorling/backup-settings

Backup settings
Merged conflicting branch 'log-roll'
Fixed exclude parameter when zipping whole backup.

Also fixed log roll help description.
Fix STORECMD: command not found
Merge pull request #141 from fernandoacorreia/master

Fix STORECMD: command not found
Add 'log' command, printing the current server log content to stdout.
Fix 'connected' command for Minecraft/Bukkit 1.6.2. Print each player on separate line.
Add 'playercount' command, printing the number of currently connected players.
Merge pull request #145 from jgehrcke/fix-connected

Fix 'connected' command for Minecraft/Bukkit 1.6.2.
Merge pull request #147 from jgehrcke/add-log

Add 'log' command, printing the current server log content to stdout.