change in GtSeqabstract and xdrop using these
fixes and cleanup in unique encseq, moved to devtools
fix memleak
uninitialized value
Added /usr/local/shared to default gtdatapath

Allows gtdatapath to be in /usr/local/shared as well as /usr/shared.
This makes it much easier to install using the Homebrew system on OSX.
Merge pull request #234 from lparsons/gtdatapath

Added /usr/local/shared to default gtdatapath
Merge pull request #229 from Garonenur/GtSeqabstract

Gt seqabstract
Actived alternative threaded implementation.
Compile only one of the two threaded versions.
Excluded more irrelevant code for partition_threading.
Completed stream based threading of when sorting buckets.
Started to synchronize the results computed by the threads.
Buckets sorted by threads are finally synchronized.
Moved mutexes into the structure they protect.
Satisfy compile and src_check
silence warnings for pkg-config
Merge pull request #235 from stefan-kurtz/sk

Add some code related to threading of suffixerator; cosmetics
Merge pull request #236 from satta/silence_warnings

silence warnings for pkg-config
update docs
Merge pull request #238 from Garonenur/documentation

update docs