Remove Time.h. Programs should include TimeLib.h.

Time.h conflicts with C library time.h, for 32 bit boards with standard C library headers when using case insensitive filenames on Windows & MacOS. This minor 1.6.1 update removes the old Time.h to avoid that conflict.

Minor fixes and ESP compatibility.

Fix for Arduino 1.6.6

Arduino Time library, updated for Arduino 1.6.x