Dynamixel-sdk

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* added clear instruction [269](https://github.com/ROBOTIS-GIT/DynamixelSDK/issues/269)
* removed busy waiting for rxPacket()
* fixed addStuffing() function (reduced stack memory usage)
* fixed memory issues [268](https://github.com/ROBOTIS-GIT/DynamixelSDK/issues/268)
* fixed the broadcast ping bug in dxl_monitor

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* added python modules for ROS to ros folder
* moved cpp library files for ROS to ros folder
* created an ROS package separately [187](https://github.com/ROBOTIS-GIT/DynamixelSDK/issues/187)
* modified the e-Manual address to emanual.robotis.com
* Contributors: Pyo

* Replaced : DynamixelSDK Python as a native language (Python 2 and 3 for Windows, Linux, Mac OS X) 93 122 147 181 182 185
* Added : CONTRIBUTING.md added
* Changes : ISSUE_TEMPLATE.md modified
* Changes : C++ version - SyncRead / BulkRead - getError functions added
* Changes : Deprecated functions removed
* Fixes : DynamixelSDK MATLAB 2017 - new typedef (int8_t / int16_t / int32_t) applied in robotis_def.h 161 179
* Fixes : Added missing header file for reset and factory_reset examples 167

* Added : Deprecated is now being shown by attributes 67 107
* Fixes : DynamixelSDK ROS Indigo Issue - target_sources func in CMake
* Fixes : Bug in protocol1_packet_handler.cpp, line 222 checking the returned Error Mask 120
* Fixes : Packet Handlers - array param uint8_t to uint16_t to avoid closure loop when the packet is too long to be in uint8_t appropriately
* Fixes : Group Syncwrite using multiple ports in c library issue solved (test code is also in this issue bulletin) 124
* Fixes : Support getting of time on MacOSX/XCode versions that doesn't support (CLOCK_REALTIME issue) 141 144
* Changes : DynamixelSDK Ubuntu Linux usb ftdi latency timer fix issue - changes the default latency timer as 16 ms in all OS, but some about how to change the latency timer was commented in the codes (now the latency timer should be adjusted by yourself... see port_handler_linux source code to see details) 116

- 09.18.2017

* Recover : Check if the id of rxpacket is the same as the id of txpacket (c++) 82
* Changes : Ping examples now will not show Dynamixel model number when communication is failed