README updates

-Updated README layout
-Rewrote the project description
-Added a special thanks section
-Added a bountry program section
-Added table of contents
-Added links to 3rd party setup guides
-Added more detail about explorer features
-Added missing reindex-last option to the "Syncing Databases with the Blockchain" section
-Added a section on Forever
-Added a "How You Can Support Us" section
-Updated verbiage to be more clear in some sections
-Updated command text to determine the default stack size in the "Known Issues" section
-Fixed some layout issues in the copyright section