implemented npa_logout
only use built in mechanisms for caching

drops caching of EF.CardAccess and CAN at the driver level. The CAN is
now cached at the PKCS#15 layer.
added support for configuration URIs

http://frankmorgner.github.io/vsmartcard/remote-reader/README.html?host=1.1.1.1&port=123

https://frankmorgner.github.io/vsmartcard/remote-reader/README.html?host=1.1.1.1&port=123

vpcd://1.1.1.1:123
added vpcd-config
include auto generated docs for test module
fixed memory leak
fixed memory leak
added info about vpcd-config
vpcd-config: added scripts for windows builds
nPA: added EF.DIR to fool Open eCard App
allow TA without PACE
nPA: fixed short fid for ef.dir
allow fid of ef.dir and ef.atr for file creation
don't disconnect from tag on reset or poweroff

fixes #21
fixed description
fixed halucinated tag when resuming the app
slightly better ui messages
disable screen locking when the app is running

fixes #22
always connect() when creating NFCReader

removes SCReader.present() as it was never used

fixes #21
automatic changes from updating android studio