Add .gitattributes test.
File property mapping test.
Add directory property check.
Merge branch 'iprops'
Small refactoring.
fixed #15: svn:executable support
Merge branch 'iprops'
#16: begin symlink support
fixed #16: symlink support
Merge branch 'iprops'
Merge branch 'iprops' of github.com:bozaro/git-as-svn into iprops

Conflicts:
	src/test/java/svnserver/parser/SvnFilePropertyTest.java
Self recommit test
Recreate revision file
Fix self recommit test
Merge branch 'iprops'