Organize packages

[alechenninger]

The goal of this is to make understanding the library easier. Having a few related packages helps clarify what is important to look at first and what can be ignored.

Here are the packages as the lie now:

• org.esbtools.eventhandler.lightblue: Core interfaces and implementation. All stuff directly related to document events and notifications and their repositories.
• org.esbtools.eventhandler.lightblue.client: Everything related to LightblueClient operations used by repositories and the like.
• org.esbtools.eventhandler.lightblue.config: Implementations of config interfaces which can read/write config from lightblue itself. The config interfaces do NOT live here: they are core to the implementations themselves.
• org.esbtools.eventhandler.lightblue.locking: LockStrategy interface and friends.

I removed org.esbtools.eventhandler.lightblue.model because organizing by type is lame and organizing by feature is cool.

I also added some package-infos and some javadocs to tie things together a bit.

Feedback welcome!

[kahowell]

I dig it. Merge when ready, unless you'd like feedback on something specific?

[alechenninger]

Just want the layout to somewhat guide a newcomer to the right places to look first. I'll merge, if you have any suggestions around that just let me kno / open issues. Thanks!