ALLJOYN-2514: Key blob is always little-endian now.

Previously a big-endian host would send the key blob in big-endian
order via ExchangeGroupKeys.  This would then be interpreted as a
corrupt key blob by little-endian host.

Change-Id: Ia8c135ca302606f63a499c1d5b6d28f8814168a9
Fix darwin build.

Change-Id: I9a48e965f6d1197c915b3c67ae7fb3645d4e2e15
ALLJOYN-2431: Support configuring the databits, parity, and stopbits
of a UART device on Linux.

Change-Id: I8bf44ee6e97d1145e69a96b57a1d7074564f90d2
ALLJOYN-2431: Fix openwrt build.

OpenWrt does not support the CMSPAR flag.

Change-Id: I5fcf575f69b4575a0a1fbd4c680160a7d9dcc515
ALLJOYN-2503 Add send timeout functionality

Change-Id: Ia6cc0c60023d4d4f031b0f4e3172eeea81c5a7e6