In lastest Qt versions linux-* mkspec doesn't match android anymore,
this was triggering a compilation error as DATA_DIR was not defined the
RsAccountsDetail::PathDataDirectory(bool check) code has been rearranged
so it works reasonably also on Android and do not depend on DATA_DIR
define anymore
Updated Android compiling documentation
Test QML activity changed for a simplified version of drbob's rsqml-models.
It requests JSON documents from the libresapilocalserver and shows them raw.
Updated Android documentation.
Moved Android qmake section to the end of libretroshare.pro and openpgpsdk.pro
to avoid static linking errors.
