Readme changes
Tell Travis not to build develop and master, these are built by our inhouse Jenkins
Standardized Improper Usage Error

Now the syntax displayed will reflect the command's
getCommandSyntaxMessage(), allowing for easier syntax
changes/updates/corrections.

Several commands still need implementation of responsive syntax based on
sender.
Update .travis.yml

Damn you travis, you don't build PRs if I exclude the branch?
Merge pull request #1158 from RlonRyan/rlon-patch

Command Update
Further Command Changes

Pretty self-explanatory. Mainly just work on the command syntax
messages.
Merge pull request #1155 from ForgeEssentials/feature/multiworld

Multiworld module - closes #1137
[multiworld] Add seed argument to /mw create
[multiworld] Added '/mw create ?' (usage help)
Merge pull request #1159 from gnif/develop

[multiworld] Adds seed argument and creation usage help.
[multiworld] added general help for the /mw command
[permissions] added csv support to group parameter

Usage: /p user <user> group add|set|remove group1,group2,group3...
Merge pull request #1160 from gnif/develop

Adds verbose multiworld help and CSV support to permission group parsing.