[gnome-usage] Update POTFILES.in and add POTFILES.skip

[Piotr Drąg <piotrdrag src gnome org>]

commit b250c78097c95ab3f2082fb1b3971072b4760198
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Jan 26 19:01:54 2017 +0100

    Update POTFILES.in and add POTFILES.skip

 po/POTFILES.in   |   39 ++++++++-------------------------------
 po/POTFILES.skip |   13 +++++++++++++
 2 files changed, 21 insertions(+), 31 deletions(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 8129f28..6d22392 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,42 +1,19 @@
+# List of source files containing translatable strings.
+# Please keep this file sorted alphabetically.
+data/org.gnome.Usage.desktop
+data/org.gnome.Usage.gschema.xml
+external/egg/egg-animation.c
+external/egg/egg-date-time.c
+external/egg/egg-file-chooser-entry.c
+external/egg/egg-search-bar.c
 src/application.vala
-src/color-rectangle.vala
-src/cpu-graph-table.vala
-src/cpu-graph.vala
-src/cpu-monitor.vala
 src/cpu-sub-view.vala
 src/data-view.vala
-src/disk-graph.vala
-src/disk-sub-view.vala
-src/gnome-usage.vala
-src/graph-block-row.vala
 src/graph-block.vala
-src/graph-box.vala
-src/graph-stack-switcher.vala
-src/graph-switcher-button.vala
-src/header-bar.vala
-src/memory-graph-table.vala
-src/memory-graph.vala
-src/memory-monitor.vala
 src/memory-sub-view.vala
-src/network-graph-table.vala
-src/network-graph.vala
-src/network-monitor.vala
 src/network-sub-view.vala
 src/performance-view.vala
-src/pie-chart.vala
 src/power-view.vala
 src/process-dialog.vala
-src/process-list-box.vala
-src/process-row.vala
-src/process.vala
-src/settings.vala
-src/storage-analyzer.vala
-src/storage-graph.vala
 src/storage-view.vala
-src/sub-process-list-box.vala
-src/sub-process-sub-row.vala
-src/system-monitor.vala
-src/utils.vala
-src/view.vala
 src/window.vala
-src/better-box.c
diff --git a/po/POTFILES.skip b/po/POTFILES.skip
new file mode 100644
index 0000000..8664e9c
--- /dev/null
+++ b/po/POTFILES.skip
@@ -0,0 +1,13 @@
+# List of source files that should *not* be translated.
+# Please keep this file sorted alphabetically.
+src/application.c
+src/cpu-sub-view.c
+src/data-view.c
+src/graph-block.c
+src/memory-sub-view.c
+src/network-sub-view.c
+src/performance-view.c
+src/power-view.c
+src/process-dialog.c
+src/storage-view.c
+src/window.c