[FEATURE] Build System: added SEQAN_DATE and SEQAN_REVISION from git or svn
[FIX] Search/Join: fixed date and revision
[FIX] Build System: removed duplicated git_wc_info macro
[FEATURE] Build System: added macro seqan_get_repository_info()
[FIX] Build System: reverted SEQAN_VERSION
Merge pull request #4 from esiragusa/fix_date_version

Fixed date and revision on git