Chore/bacnet-sc-unrelated-cleanup (#620)

* Added required linux Ethernet library for ethernet build

* Added .obj to gitignore

* Fixed BACnet port for APPLE to use BSD in CMake

* Changed format in CMake to enable cleaner SC merge

* Added create-object and delete-object recipes in GCC Makefile

* Added datalink timer to all example OS apps

* Changed most microcontroller ports to use BACAPP_MINIMAL to specify which datatypes can be written.

* Fixed zephyr OS for BACnet/IP warning

* Fixed zephyr OS log to not require log_strdup

* Added writefile API to file object example

* Added API to device-client to make it more robust.

* Added API in network-port object for getting the ASCII object-name

* Added debug print with a timestamp option

* Added debug print with hex dump print

* Added API to network port object for activate and discard

* Added default define for debug with timestamp

* Added prototype in header for disabled debug printf.

* Added fifo peek ahead function to peek at more than one byte.

* Added get-mac value for network port that uses buffer rather than octetstring

ports/stm32f10x/Makefile

@@ -141,7 +141,7 @@ OPTIMIZE_FLAGS := -Os -ggdb
 OPTIMIZE_FLAGS += -DNDEBUG
 
 BACNET_FLAGS = -DBACDL_MSTP=1
-BACNET_FLAGS += -DBACAPP_ALL
+BACNET_FLAGS += -DBACAPP_MINIMAL
 BACNET_FLAGS += -DMAX_APDU=480
 BACNET_FLAGS += -DBIG_ENDIAN=0
 BACNET_FLAGS += -DMAX_TSM_TRANSACTIONS=0

ports/stm32f10x/bacnet.ewp

@@ -229,6 +229,7 @@
                     <state>BACDL_MSTP</state>
                     <state>MAX_APDU=480</state>
                     <state>MAX_TSM_TRANSACTIONS=0</state>
+                    <state>BACAPP_MINIMAL</state>
                 </option>
                 <option>
                     <name>CCPreprocFile</name>