Issue #48 - correction for 'rozo storage add/remove'
Issues #48 #54

* update 'man rozo' adding:
    * STORAGE topic
    * rozo volume stat
    * many syntax corrections
* correction in 'rozo node config' output
* correction in 'rozo volume get' for multiple vid
* corrections in rozo binary
Merge branch 'develop' of http://github.com/rozofs/rozofs into develop