new

git-svn-id: http://oboformat.googlecode.com/svn/trunk@600 3e622410-f0ad-ce59-49ea-9bf623c22f00
* all synonyms require a type
* remove code which lead to a wrong synonym declaration for sub annotation properties in owl2obo

git-svn-id: http://oboformat.googlecode.com/svn/trunk@601 3e622410-f0ad-ce59-49ea-9bf623c22f00
fix position of import tags in the OBO header, make it fully compatible with OBO-Edit

git-svn-id: http://oboformat.googlecode.com/svn/trunk@602 3e622410-f0ad-ce59-49ea-9bf623c22f00