[FIX] StringSet: fixed metafunction StringSetPosition<>
Merge pull request #132 from holtgrewe/hotfix/swift_test_bugs

[FIX] Fixing bug in test that caused the swift index test to not compile.
Merge pull request #134 from holtgrewe/hotfix/edge_stump_initialization

[FIX] Properly initializing members of EdgeStump.
Merge pull request #136 from holtgrewe/hotfix/sak_test_output

[FIX] Adjusting SAK output to empty lines in FASTA fix.
Merge pull request #138 from holtgrewe/hotfix/valgrind_app_tests

Hotfix/valgrind app tests
[FIX] Fixing output of mason2 app tests.
Merge pull request #140 from holtgrewe/hotfix/mason2_expected_output

[FIX] Fixing output of mason2 app tests.
Merge pull request #142 from holtgrewe/hotfix/python_suppressions

[INTERNAL] Supressing all warnings from Python binary in valgrind.
[DOX] Small typo in graph_interface.h
[INTERNAL] Adding .gitattributes files.
[NOP] Normalizing line endings according to .gitattributes in earlier commit.
Merge pull request #152 from holtgrewe/master_gitattributes

[INTERNAL,NOP] Adding .gitattribute file and normalizing line endings accordingly.
[FIX] FMIndex Finder: overloaded _findFirstIndex() to reverse the pattern
[FIX] added missing +=, -= operators to Concatenator iterators; fixed container() of rooted iterator to always return a reference; added missing operator== for rooted vs. standard iterator comparisons
Merge pull request #161 from esiragusa/fix/fmindex_finder

Fix FM-index Finder
[FIX] Packed String: fixed the overloading of _clearSpace()
Merge pull request #162 from esiragusa/fix/packed_string_assign

Fix assignment of Packed Strings
[NOP]
[FEATURE] StringSet: added Segment StringSet spec
[INTERNAL] StringSet: added Segment StringSet to the sequence header