libdeng2: Relocated PathTree from engine to libdeng2
Tidied up the headers, interface and implementation a little toadhere to libdeng2 conventions:
- @file docs not in groups- using QFlags instead of #defines- debug print functions are not static- more const-friendliness (e.g., find())
View differences
libdeng2: Relocated PathTree from engine to libdeng2
Tidied up the headers, interface and implementation a little to
adhere to libdeng2 conventions:
- @file docs not in groups
- using QFlags instead of #defines
- debug print functions are not static
- more const-friendliness (e.g., find())