--User changes:

Resize options and about dialogs for Linux.

--Bug fixes:
	Null check on file close in ReadFile().

Source/Ember/Utils.h

@@ -211,6 +211,7 @@ static bool ReadFile(const char* filename, string& buf, bool nullTerminate = tru
 			}
 
 			fclose(f);
+			f = nullptr;
 		}
 	}
 	catch (const std::exception& e)

Source/Fractorium/AboutDialog.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>596</width>
-    <height>622</height>
+    <height>651</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -82,7 +82,7 @@
      <x>5</x>
      <y>156</y>
      <width>585</width>
-     <height>458</height>
+     <height>483</height>
     </rect>
    </property>
    <layout class="QVBoxLayout" name="verticalLayout_4">

Source/Fractorium/OptionsDialog.ui

@@ -7,11 +7,11 @@
     <x>0</x>
     <y>0</y>
     <width>427</width>
-    <height>415</height>
+    <height>487</height>
    </rect>
   </property>
   <property name="sizePolicy">
-   <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+   <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
     <horstretch>0</horstretch>
     <verstretch>0</verstretch>
    </sizepolicy>
@@ -25,7 +25,7 @@
   <property name="maximumSize">
    <size>
     <width>16777215</width>
-    <height>415</height>
+    <height>16777215</height>
    </size>
   </property>
   <property name="windowTitle">
@@ -180,7 +180,7 @@
          <property name="minimumSize">
           <size>
            <width>0</width>
-           <height>91</height>
+           <height>87</height>
           </size>
          </property>
          <property name="maximumSize">