change the height to be scaled height
adapt unittests to new format
Merge tag 'v1.2.0' into stable

Version 1.2.0
undo changes of the indecies of the parents and heights to the oriented forest format
Merge branch 'master' into orientedForest
Merge branch 'master' into orientedForest
reimplement generation of OF recursively
remove fake nodes from output
added option -OR for return oriented forest with relative length, -TR for returning newick trees with relative sequence length. changed the root fake parent to be zeros
reworked autoconf config
add check for C++11
try removing arguments
update autotools config
remove ranlib
update travis config
update travis config
update travis config
update travis config
update travis config
update travis config