Merge pull request #7 from vliedel/master

zeromq control on separate thread + ros fix
Merge pull request #8 from vliedel/master

Updated readme, fixed possible leak in zeromq
added git clone command in readme
added install commands for mac
added doc logos
Extract information with respect to communicated type over a port and specialized middleware
added android middleware
Add string to YARP backend
added android-service backend, to generate the ..ModuleService.java
finished ..ModuleService.java
fixed issues of port not reading/writing
Merge branch 'master' of https://github.com/dobots/rur-builder into origin