deadlock handling, bugfix and optimization for db delete operations
added missing call to maintain tag def hierarchy after tagset definition synch
bugfix sharing corpora (wrong join statement)
bugfix reindexing deleted tag definitions
playing around with non transactional synch
corpus export for the chosen one
export to temp file rather than to in memory buffer
bugfix corpusexport (restrict umc to corpus)
Merge branch 'master' into delopt
prop delete optimizations and smaller bugfixes
cleanup
Merge pull request #88 from catmadevel/master

f52
bugfix tagsetdef version change
Merge branch 'master' of https://github.com/mpetris/catma
Merge pull request #5 from mpetris/master

latest features and bugfixes