base build
refactoring
sphelper/build uses gogit for sha1-detection
Include sourcedoc in sphelper
Move gomddoc to sphelper
Move mkreadme to sphelper
M: Add misc. programs to sphelper

Move mkreadme to sphelper
Move gomddoc to sphelper
Include sourcedoc in sphelper
sphelper/build uses gogit for sha1-detection
refactoring
base build
Textformat: allow specif. of hyphenation char

With DefineTextformat you can now specify the character that should
be inserted instead of the default '-'.