Removed old visio file
removed .bak files
vishnu_user should also have access to the work table
updated asta files to take into account ZMQ
updated images and technical architecture document
Updated images

Removed now obsolet image
Also add vishnu architecture image
fixed docbook
added technical architecture doc compilation
Compilation of Technical architecture document

updated documentation generation script
updated release script
renamed document
improve serialization with SSL, and checked for successful deserialization
improved ssl serialization
changed SSL msg chunk size
make some constants locale to files
Fixed release script