[FIX] Fixing assertion in graph_algorithm_refine_inexact.h.

As reported and fixed by Birte Kehr.

Also see http://trac.seqan.de/ticket/1128
[FIX] Fixing a bug in removeGaps() for gaps_array.h.

Reported and fixed by Birte Kehr.
Merge pull request #130 from holtgrewe/hotfix/refinement_bugs

Hotfix with refinement and gaps bug.
[FIX] Fixing bug in test that caused the swift index test to not compile.

Note that it now fails since there is a bug with the swift index search if the pattern is empty.
Merge pull request #132 from holtgrewe/hotfix/swift_test_bugs

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

[FIX] Properly initializing members of EdgeStump.
[FIX] Adjusting SAK output to empty lines in FASTA fix.
[FIX,INTERNAL] Fixing nightly build system for valgrind in app tests.
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.
[INTERNAL] Supressing all warnings from Python binary in valgrind.

They were triggered where Python wrappers did result comparisons.
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.