Fix offline change log (#2484)

Author: HelioGuilherme66

setup.py

@@ -35,6 +35,7 @@
     'robotide.preferences': ['settings.cfg'],
     'robotide.widgets': ['*.png', '*.gif', '*.ico'],
     'robotide.messages': ['*.html'],
+    'robotide.application': ['*.html', '*.css'],
     'robotide.publish.htmlmessages': ['no_robot.html'],
     'robotide.postinstall': ['RIDE.app/Contents/PkgInfo', 'RIDE.app/Contents/Info.plist',
                              'RIDE.app/Contents/MacOS/RIDE', 'RIDE.app/Contents/Resources/*.icns']

src/robotide/application/releasenotes.py

@@ -17,6 +17,7 @@
 import wx
 from wx import Colour
 from wx.lib.ClickableHtmlWindow import PyClickableHtmlWindow
+from os.path import abspath, join, dirname
 
 from ..action import ActionInfo
 from ..version import VERSION
@@ -65,7 +66,7 @@ def show_changelog(self, event=None):
         if not self._dialog:
             self._dialog = HtmlDialog('Offline Change Log', 'Check the online version at https://github.com/robotframework/RIDE/blob/master/CHANGELOG.adoc')
         self._dialog.SetSize(800, 800)
-        self._dialog.html_wnd.LoadFile(os.path.abspath("application/CHANGELOG.html"))
+        self._dialog.html_wnd.LoadFile(join(dirname(abspath(__file__)), "CHANGELOG.html"))
         self._dialog.html_wnd.SetBackgroundColour(self.general_settings['background help'])
         self._dialog.html_wnd.SetForegroundColour(self.general_settings['foreground text'])
         self._dialog.Show()