Improved mobile view #151 (#150)

- fixed group by for mysql mode
- only user can edit own prefs
- updated installation README
- pagerfanta shows less links
- improved manual tab
- moved user profile link to pref tabs
- added menu links to top navbar
- moved page actions to breadcrumb position
- integrated daterangepicker and improved toolbar forms
- bugfix for time rounding

translations/sidebar.en.xliff

@@ -8,32 +8,24 @@
             </trans-unit>
             <trans-unit id="home.betainfo">
                 <source>home.betainfo</source>
-                <target><![CDATA[Thank you for using the open source time-tracker <strong>Kimai</strong>.
+                <target><![CDATA[Thank you for using the open source time-tracker <a href="%url%" target="_blank">Kimai</a>.
 
-                    This new version 2 is currently in an early stage of development and has been published in advance to collect feedback from its users and integrate their ideas into further planning.
+                    This new version %version% is currently in an early stage of development and has been published in advance to collect feedback from its users and integrate their ideas into further planning.
 
                     To help me improve <strong>Kimai</strong>, please send your message on the linked website. Whether you have questions, error messages or ideas for enhancements, your feedback is valuable!
                 ]]></target>
             </trans-unit>
             <trans-unit id="made.by.license">
                 <source>made.by.license</source>
-                <target><![CDATA[Made with ♥ by %kevin% and %simon%.]]></target>
-            </trans-unit>
-            <trans-unit id="github.link">
-                <source>github.link</source>
-                <target><![CDATA[Further information can be found on the <a href="%url%" target="_blank">Kimai Homepage</a>.]]></target>
+                <target>Made with ♥ by great contributors</target>
             </trans-unit>
             <trans-unit id="help.title">
                 <source>help.title</source>
-                <target>Documentation</target>
+                <target>Manual</target>
             </trans-unit>
             <trans-unit id="help.link">
-                <source>help.link</source>
-                <target>User manual</target>
-            </trans-unit>
-            <trans-unit id="about.title">
-                <source>about.title</source>
-                <target>About Kimai</target>
+                <source>help.subtitle</source>
+                <target>Show documentation</target>
             </trans-unit>
             <trans-unit id="preferences.title">
                 <source>preferences.title</source>