bugfixes (#2669)

* allow storage of multiple .env without git
* clarify requirements
* fail safe statistic queries
* remove unused translations
* reduce customer statistic calls by 50%

translations/messages.cs.xlf

@@ -332,10 +332,6 @@
         <source>timesheet.title</source>
         <target>Moje časy</target>
       </trans-unit>
-      <trans-unit id="timesheet.subtitle">
-        <source>timesheet.subtitle</source>
-        <target>Upravit moje časové záznami</target>
-      </trans-unit>
       <trans-unit id="timesheet.edit">
         <source>timesheet.edit</source>
         <target>Upravit záznam</target>
@@ -375,10 +371,6 @@
         <source>profile.title</source>
         <target>Profil uživatele</target>
       </trans-unit>
-      <trans-unit id="profile.subtitle">
-        <source>profile.subtitle</source>
-        <target>Upravit mé nastavení</target>
-      </trans-unit>
       <trans-unit id="profile.about_me">
         <source>profile.about_me</source>
         <target>O mně</target>
@@ -447,10 +439,6 @@
         <source>calendar.title</source>
         <target>Kalendář</target>
       </trans-unit>
-      <trans-unit id="calendar.subtitle">
-        <source>calendar.subtitle</source>
-        <target>Zobrazení a správa pracovního výkazu v kalendáři</target>
-      </trans-unit>
       <!--
               Admin: Timesheet
             -->
@@ -458,10 +446,6 @@
         <source>admin_timesheet.title</source>
         <target>Pracovní výkaz</target>
       </trans-unit>
-      <trans-unit id="admin_timesheet.subtitle">
-        <source>admin_timesheet.subtitle</source>
-        <target>Záznamy všech uživatelů</target>
-      </trans-unit>
       <!--
               Admin: Projects
             -->
@@ -469,10 +453,6 @@
         <source>admin_project.title</source>
         <target>Projekt</target>
       </trans-unit>
-      <trans-unit id="admin_project.subtitle">
-        <source>admin_project.subtitle</source>
-        <target>Projekt kombinuje aktivity pro zákazníka do skupiny</target>
-      </trans-unit>
       <trans-unit id="admin_project.short_stats">
         <source>admin_project.short_stats</source>
         <target>
@@ -487,10 +467,6 @@
         <source>admin_activity.title</source>
         <target>Aktivity</target>
       </trans-unit>
-      <trans-unit id="admin_activity.subtitle">
-        <source>admin_activity.subtitle</source>
-        <target>Úlohy, které lze vybrat pro časové záznamy</target>
-      </trans-unit>
       <trans-unit id="admin_activity.short_stats">
         <source>admin_activity.short_stats</source>
         <target>
@@ -505,10 +481,6 @@
         <source>admin_customer.title</source>
         <target>Zákazník</target>
       </trans-unit>
-      <trans-unit id="admin_customer.subtitle">
-        <source>admin_customer.subtitle</source>
-        <target>Vaši zákazníci jsou základem pro vytváření projektů a aktivit</target>
-      </trans-unit>
       <trans-unit id="label.number">
         <source>label.number</source>
         <target>Účet</target>
@@ -571,10 +543,6 @@
         <source>admin_user.title</source>
         <target>Uživatel</target>
       </trans-unit>
-      <trans-unit id="admin_user.subtitle">
-        <source>admin_user.subtitle</source>
-        <target>Všichni registrovaní uživatelé vaší instalace Kimai</target>
-      </trans-unit>
       <trans-unit id="label.alias">
         <source>label.alias</source>
         <target>Jméno</target>
@@ -725,10 +693,6 @@
         <source>admin_invoice_template.title</source>
         <target>Šablona faktury</target>
       </trans-unit>
-      <trans-unit id="admin_invoice_template.subtitle">
-        <source>admin_invoice_template.subtitle</source>
-        <target>Spravujte své šablony faktur, které lze použít k exportu dat.</target>
-      </trans-unit>
       <trans-unit id="invoice.title">
         <source>invoice.title</source>
         <target>Faktura</target>