More renames of files and tools moved into own directory
Refactored classes and API names

- main class is now just zyre_t
- two ZRE message classes also exported to API
- all other classes' header files are in src
- class names are now easier to understand
- removed java tree, which is forked off to jyre project
Fixed some issues with last changes

- extended test cases
- upgraded to use latest CZMQ master
Merge pull request #112 from hintjens/master

Refactoring Zyre (still in progress)
Finised self tests, added man pages
Exporting some headers in ENTER
Merge pull request #113 from hintjens/master

Finised self tests, added man pages
Removed ghost files, fixed include version check
Send peer headers in ENTER message
Fixed issue #116 and other cleanups

- built better README
Fixed dealer-to-router to use binary uuid instead of string
Merge pull request #117 from hintjens/master

Removed ghost files, fixed include version check
Dependency fixed to CZMQ 2.1.0+
Merge pull request #119 from hintjens/master

Dependency fixed to CZMQ 2.1.0+
updated chat to use new zyre api