Minecraft Server Manager

Maintainers:

Added the "all" keyword which can be used to execute a command for all servers. Closes #16
Added Travis CI integration for per commit unit testing.
Improved command error messages to give specific command errors. Closes issue #10.
Fixed issue #15 which left a "tail" command process running after certain commands.

Added test.sh, a script which runs shunit2 unit tests.
Added test coverage for all msm server commands, except coverage involving running servers.
Added option to override the configuration file used by the MSM script by specifying its path in the MSM_CONF environment variable.
Added Explanatory exit codes for the MSM script (currently 0 and 64-73).
Improved server creation to not require the "minecraft" jar group to be present.
Fixed issue [#14][#14] which prevented world names including spaces.
Fixed a bug listing servers when there were none.
Fixed a bug where server names containing reserved names anywhere where considered invalid.

Fixes issue #11. Now running server's cannot be renamed, preventing not being able to stop a server renamed whilst running.

Fixed issues #12 and #13 thanks to @Jonek01, which prevented the first loaded server from having the correct path, and prevented the same for the first loaded world.

Added msm <server> worlds on|off <world> command, which activates and deactives worlds. Inactive worlds don't get backed up, cannot be used by the server, but are included in complete server backups.
Added CHANGELOG.markdown.
Added error messages preventing script use when a required msm.conf settings is not specified.
Removed fallbacks for settigns not specified in msm.conf.

Added bash completion.
Altered project layout to feature directories for bash_completion, cron and init files. This is useful for dealing with three files all named msm.
Removed msm <server> worlds toram as an accessible command.
Fixed a bug preventing WORLD_STORAGE_PATH from being overriden by a server.
Fixed error in msm.conf

Added error output for the case when creating a symbolic link for a server's world it is found that a file already exists with that name.
Added msm <server> operator list command.
Added help output for the msm <server> jar command.
Improved world backups to be WorldEdit snapshot compatible.
Altered "complete server backups" to zip the directory instead of the contents.
Removed requiring a server to be running to list whitelisted and blacklisted (banned) players.
Fixed a bug preventing worlds from getting backed up.
Fixed a bug preventing actions performed upon server worlds.
Fixed a bug preventing all server worlds from being moved into or back to disk RAM.
Fixed a bug preventing server logs from being rolled correctly.
Fixed a bug preventing msm <server> connected from working.
Fixed a bug preventing msm <server> jar from working.

Added in-game messages, and correct pausing and resuming of Minecraft world saving around world backups.
Added "Backup took n seconds." message to world and complete backups.
Fixed a bug listing a server's worlds.
Fixed a bug when stopping all servers in parallel, where a server might not stop at the correct time.

Fixed a bug preventing world links from being created.
Fixed a bug where a server stopped as the result of a command would not always be made inactive.