build: reanimate the dead

Fix build with ndn-cxx 0.7.1 and ChronoSync 0.5.3

* Adapt to new API
* Upgrade to Qt5
* Several other bugs

Refs: #4563, #4087
Change-Id: Ic55d687caade08f557f9b9ec3e9569bc96798710
diff --git a/.gitignore b/.gitignore
index 530be1d..051dacb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 *.DS_Store
 *~
 tmp/
+.waf3-*-*/