new lexc2fst, with tests

git-svn-id: svn://svn.code.sf.net/p/hfst/code/trunk@3656 941e2c2b-deac-454f-805a-451daa25f33c
Removing white space at line endings
Remove space at line endings
Replace deprecated calls with current calls
Remove space at line endings
Shorten read_zhfst, extract code to separate functions
Fix typo
Replace libarchive with libzip
Merge branch 'master' of github.com:albbas/hfstospell

Conflicts:
	hfst-ospell/ZHfstOspeller.cc
	hfst-ospell/ZHfstOspeller.h