Rewritten itoa_afixedpoint. Saves some bytes in PROGMEM.
URLs verified and corrected. Closes issue #149.
Use RC5 as ECMD block name to get linked to WIKI page.
terminate string with null character
save another 6 byte of PROGMEM
Make MBR functionality optional
Fixed build with TFTPOMATIC_SUPPORT defined
Merge remote-tracking branch 'upstream/master' into e6-beteigeuze

Conflicts:
	scripts/profiles/USBrfm12stick
	scripts/profiles/ethersex
	scripts/profiles/zbus-teensy
Merge branch 'e6-beteigeuze' of github.com:sauttefk/ethersex into e6-beteigeuze