add transactions
add transaction
change some curl options so that the request will not have any curl options that belongs to the previous request
view object in islandora
add generateDC
add dc generator
Merge branch 'fedora4' of https://github.com/yqjiang/tuque into fedora4

Conflicts:
	implementations/fedora4/FedoraApi.php
	implementations/fedora4/Repository.php
add transaction to getObjectProfile
add relationships
add relationships
edit add/get relationships
get labels from fedora

[(Deliver) #55038680]
add transactions
49010797-add transaction support to tuque
55038806-generate dc in tuque
add transaction to generate DC
add transaction to generate DC
49010797-add transactions to tuque
add add/get relationships to tuque.and their tests
Reorganized the code base.