* master: (43 commits)
Windows: workaround as libusb is not automatically detected by CMake
Add usbbus to Makefile.am EXTRA_DIST
make style
Add log_posix to Makefile.am
Split logging internals so that platforms may choose additional or alternate spew mechanisms
More explicitely ignoring return value as suggested by Ludovic
Windows: Clean up all compiler warnings and link warnings
API change
make style
pn53x-sam: fix print_nfc_target
Convert by value passing of nfc_target to pointer for str_nfc_target and nfc_initiator_target_is_present
Windows: Fix bug when compiling without libusb: skip usbbus.c
Windows: Fix compilation due to new usbbus file
Fix bug when compiling without libusb: skip usbbus.c
Fix scan-build warning: cast increases required alignment from 1 to 4
Fix cppcheck warning "Obsolete function 'usleep' called"
Avoid warning about ignoring return value of 'read'
Fix cppcheck warning "Non reentrant function 'readdir' called"
conf.h: make it more standard
uart_posix.c: remove redundant include
...