to branch 'i2p.www.str4d' (head 316dc8ab7159c0ac13be0c8f192b3376123e5523)

     and '3f598c633ab122b365c011b250b6c6ab17e0d5ad'

            to branch 'i2p.www.str4d' (head 2ab3bce2634e8d1dcbf7f2bf89c310c5ae3a7eb6)

Add some coding style items

I2CP: Reserve codes for experimental protocols
Roadmap: Push out GMP 6 to 0.9.25

Add new go quick start guide from backup
Move PHP docs to the bottom, mark not recommended
Spelling fixes in overview

     and '2260394e9053d395abe3d0224fdc764c3664908c'