src: Improving consistency and correcting code style

As of this commit, all data structures can be directly constructed from
wire format.

This commit excludes full correction of code style in security/ and
tools/ndnsec*, which will be part of a different commit.

Change-Id: I121ac1f81948bc7468990df52cdefeb2988d91a1
Refs: #1403
diff --git a/src/face.cpp b/src/face.cpp
index 04e2570..3e5a4b1 100644
--- a/src/face.cpp
+++ b/src/face.cpp
@@ -271,12 +271,12 @@
       m_ioService->run();
       m_ioService->reset(); // so it is possible to run processEvents again (if necessary)
     }
-  catch(Face::ProcessEventsTimeout&)
+  catch (Face::ProcessEventsTimeout&)
     {
       // break
       m_ioService->reset();
     }
-  catch(const std::exception&)
+  catch (const std::exception&)
     {
       m_ioService->reset();
       m_pendingInterestTable.clear();