* Rename both Demo/FreeRTOS-IoT-Libraries and Source/FreeRTOS_IoT_Libraries directories to FreeRTOS-IoT-Libraries-LTS-Beta1
* Rename directories within IDE project and source files
* Remove backup files pushed to remote accidentally
* Remaining directory name replacements in file texts
LTS development changes have Source, Demo, and dependencies added for FreeRTOS-IoT-Libraries. These libraries are using FreeRTOS kernel, FreeRTOS-Plus-TCP, and FreeRTOS-Plus-Trace of V10.3.0 tag. FreeRTOS_Plus_TCP and FreeRTOS_Plus_Trace are as used as is, but a few changes are made to FreeRTOS as listed below.
Removed FreeRTOS/Demo.
Updated FreeRTOS/readme.txt to remove mentions about the demos.
Removed FreeRTOS/links_to_doc_pages_for_the_demo_projects.url file as there are no demos present.
