project.properties: target=android-17 (was android-9)

latest SDK Manager seemingly does not even include API Level 9.
skips from 8 to 10.
eclipse: formatting indent 3 spaces

derived from Eclipse default Java formatting
.classpath for ADT 22
WebSocketReader: fix handling of BUFFER_UNDERFLOW
Merge pull request #43 from talklittle/tlsnio

fix TLS handshake BUFFER_UNDERFLOW. and some Eclipse settings