[FEATURE, INTERNAL] Adds a new iterator for journaled strings to improve runtime

Additional iterator uses only one segment iterator in case if host and insertion buffer are initialized with the same specialization.
[API] Removes the implementation of the unbalanced tree for journaled sequences.
[INTERNAL] Improves iteration over journaled string.
[FIX] Fixed a warning concerning singed and unsigned comparison.
[DOC, FIX_177] Add a SimpleType constructor dox docu.
[DOC, FIX] Added links in dox docu of the SequenceStream constuctor (178)
[DOC, FIX] Added a few BamIndex dox docu entries (fix_167)
[DOC, FIX] Added the missing third parameter of convertMatchesToGlobalAlignment in the dox docu.
[DOC, FIX] Added the missing third parameter of convertMatchesToGlobalAlignment in the dox docu.
[DOC, FIX] Added the missing third parameter of convertMatchesToGlobalAlignment in the dox docu.
[DOC, FIX] Added the missing third parameter of convertMatchesToGlobalAlignment in the dox docu.
[FIX] a more secure way of _toBamTagValue that replaces memcpy by unions
[FEATURE] added alignment functors and refactored getCigarString and getMDString
[FIX] fixed too short MD tag format
Merge branch 'develop' into feature/new-fragstore-sam-output
[DOX, FIX] Added missing property map dox docu.
[DOX, FIX] Added missing property map dox docu.
[NOP] debug infos
Merge branch 'feature/new-fragstore-sam-output' of github.com:weese/seqan into feature/new-fragstore-sam-output
[FIX] added missing test files for test_store
[FIX] changed permissions