Code cleanup branch (#618)

* Make height map fallback layer work again
  * Add documentation to joystick button bindings
  * Removed grouped property headers
  * Add new version number constant generated by CMake
  * Make Joystick deadzone work properly
  * Change the startup date on Earth to today
  * Fix key modifier handling
  * Add debugging indices for TreeNodeDebugging
  * Fix script schedule for OsirisRex
  * Do not open Mission schedule automatically
  * Upload default projection texture automatically

  * General code cleanup
  * Fix check_style_guide warnings
  * Remove .clang-format
  * MacOS compile fixes
  * Clang analyzer fixes

src/engine/syncengine.cpp

@@ -25,9 +25,7 @@
 #include <openspace/engine/syncengine.h>
 
 #include <openspace/util/syncdata.h>
-
 #include <ghoul/misc/assert.h>
-
 #include <algorithm>
 
 namespace openspace {
@@ -56,13 +54,13 @@ void SyncEngine::decodeSyncables() {
 
 void SyncEngine::preSynchronization(IsMaster isMaster) {
     for (Syncable* syncable : _syncables) {
-        syncable->presync(isMaster);
+        syncable->preSync(isMaster);
     }
 }
 
 void SyncEngine::postSynchronization(IsMaster isMaster) {
     for (Syncable* syncable : _syncables) {
-        syncable->postsync(isMaster);
+        syncable->postSync(isMaster);
     }
 }