unit-test setup
tests are not working
create "aside" flex box
create navigation tabs
keep "aside" onthe right in landscape mode
animate tabs
change from flex to block
rewrite test suite

test suite is run from the brower accessing page
http://localhost:2013/test/test.html
update README
Merge branch 'tests' into development
move script from html to external file
remove Makefile
insert help
improve help
add horizontal lines
move window.onload function to index.html
rewrite socket connection function
rewrite startRoom function
rewrite onclick callbacks
start definition of "Caller" class