Added functionality to build a GroupTree (from GRUPTREE). Only the groups, not any wells in the tree.
Added keyword GRUPTREE
Added GroupTree that holds the root node, and supplies functions to add and find nodes
Fixed an error in GRUPTREE, comma in stead of dot
Fixed a bug in the getNode recursion, added deep copy and print tree (debugging function)
Made Schedule handle the GRUPTREE keyword, Added testing to GroupTreeTests.cpp
Added support for reading groups into GroupTree from WELSPECS keyword. Default root node is FIELD
Added newlines to files
Added Schedule initialization and basic checks to the internal data test
Added support for re-parenting a node
Merge from master, fix conflict (injector introduction)
Added forgotten (half-finished) test
Made updateTree function void, and removed an unnecessary recursive call
Merge master into schedule_groups
Merge pull request #52 from flikka/schedule-groups

Schedule groups