Cleanup: move trip-related functions into own translation unit

These functions were spread out over dive.c and divelist.c.
Move them into their own file to make all this a bit less monolithic.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

tests/testAirPressure.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "testAirPressure.h"
 #include "core/divesite.h"
-#include "core/divelist.h"
+#include "core/trip.h"
 #include "core/file.h"
 #include "core/dive.h"
 #include <QString>

tests/testdivesiteduplication.cpp

@@ -2,6 +2,7 @@
 #include "testdivesiteduplication.h"
 #include "core/dive.h"
 #include "core/divesite.h"
+#include "core/trip.h"
 #include "core/file.h"
 
 void TestDiveSiteDuplication::testReadV2()

tests/testgitstorage.cpp

@@ -3,12 +3,12 @@
 #include "git2.h"
 
 #include "core/divesite.h"
-#include "core/divelist.h"
 #include "core/file.h"
 #include "core/qthelper.h"
 #include "core/subsurfacestartup.h"
 #include "core/settings/qPrefProxy.h"
 #include "core/settings/qPrefCloudStorage.h"
+#include "core/trip.h"
 
 #include <QDir>
 #include <QTextStream>

tests/testmerge.cpp

@@ -1,8 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "testmerge.h"
 #include "core/divesite.h"
-#include "core/divelist.h"
 #include "core/file.h"
+#include "core/trip.h"
 #include <QTextStream>
 
 void TestMerge::initTestCase()

tests/testparse.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "testparse.h"
 #include "core/divesite.h"
-#include "core/divelist.h"
+#include "core/trip.h"
 #include "core/file.h"
 #include "core/import-csv.h"
 #include "core/parse.h"

tests/testparseperformance.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "testparseperformance.h"
 #include "core/divesite.h"
-#include "core/divelist.h"
+#include "core/trip.h"
 #include "core/file.h"
 #include "core/git-access.h"
 #include "core/settings/qPrefProxy.h"

tests/testpicture.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "testpicture.h"
 #include "core/divesite.h"
-#include "core/divelist.h"
+#include "core/trip.h"
 #include "core/file.h"
 #include <QString>
 #include <core/qthelper.h>

tests/testprofile.cpp

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "testprofile.h"
 #include "core/divesite.h"
+#include "core/trip.h"
 #include "core/file.h"
 
 void TestProfile::testRedCeiling()

tests/testrenumber.cpp

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "testrenumber.h"
 #include "core/divesite.h"
-#include "core/divelist.h"
+#include "core/trip.h"
 #include "core/file.h"
 #include <QTextStream>