replace old DE semaphore Sh0 (dwarf) by a new icon
replace old icon DE Sh (normal size) by a new one (showing Sh1)
replace light signal DE Sh0 and Sh1 by new icons
DE Sh0 (light dwarf): #ffffff instead of original color, larger light circle
add new H/V light main signal icons to style
Merge pull request #78 from Nakaner/new-sh-signals

Added new icons of german minor signals type Sh
split up JOSM presets

There is now one track and station preset and one signal preset. This makes
it easier to develop and use presets for different countries or working
rules (remember the differences between trams and trains!).
add abbrevations of Bü signals, Pf 1/2 and Ne 1, Ne 2, So 106

Some users (e.g. myself) prefer to type the signal abbrevation after pressing
F3 in JOSM.
Merge remote-tracking branch 'upstream/master' into josm-template-split
add abbrevations for some signals
add abbrevations for German signals
German light minor signal Sh0 has been renamed to Hp0
add new tag for resetting switches (railway:switch:resetting=yes/no)
add value "unknown" for unknown display values
add abbrevation for German Ne 5 signal
add agreements from Cologne Meeting

- railway:signal:snowplow:order -> railway:signal:snowplow:type
- add Schachbretttafel (checker board)
rename infrastructure tagging scheme, add German name
JOSM preset: Updated tagging of german train protecion signal "Blockkennzeichen"
JOSM preset: Updated tagging of german train protecion signal "Blockkennzeichen"
JOSM preset: Updated tagging of german train protecion signal "LZB-Bereichskennzeichen"