fixed text binding to ReGalScreen properties
use self made popup
added run_async decorator from http://code.activestate.com/recipes/576684-simple-threading-decorator/
addserver can now connect, but does nothing
implemented getting server info
app.py: added ReGalData instance
data.py: ability to add servers and get them
addserver.py: adding servers works. sort of
data.py: add name to servers dictionary
servers.py: add listview with servernames
data.py: don't add name to dict. name is key already.
add clickable buttons in a StackLayout
implemented first basic version of album selection