added listing of projects

list all the projects of the server, using same mechanisms as
services.
removed app-version directive

old directive from the angular seed app.
documentation added for mbsimple.
mbsimple service unit tests

removed 'version' unit test from the seed and added unit tests
for the mbsimple service.
removed the 'version' service
documentation for searchServices filter
do not fail on partial services in searchServices filter

Avoid crashing the filter if one of the searched properties
is missing from a service.
correction on searchServices unit tests.
searchServices unit tests added.
templates for project list and project details.
cleanup and documentation.
commented unit tests for seed app controllers/directives