Symlink 'current' replaced by file current_case
Change method name enkf_main_read_current_file -> enkf_main_read_alloc_current_case_name. Added cleanup
changes after review
Added free for char * allocated in call to util_alloc_file_components()
Merge pull request #290 from chflo/replace_symlink

Symlink 'current' replaced by file current_case