make bootloader timeout configurable in menuconfig
Merge remote-tracking branch 'upstream/master' into e6-upstream2
make bootdelay configurable; allow crc-check via tftp-o-matic filename
add help for tftp-o-matic options
added tftp-filename format option '%M' inserting MAC-address in both, crc and a binary filename
fast heartbeat when in bootloader
added description
modify onewire js to show correct values
Merge pull request #203 from sauttefk/e6-upstream2

make bootloader better configurable