Added text modifier attribute.

Author: khaykov

aztec/src/main/res/values/attrs.xml

@@ -58,6 +58,7 @@
         <attr name="headingSixFontColor" format="reference|color" />
         <attr name="taskListStrikethroughChecked" format="reference|boolean" />
         <attr name="taskListCheckedTextColor" format="reference|color" />
+        <attr name="textSizeModifier" format="reference|dimension" />
     </declare-styleable>
 
     <declare-styleable name="AztecToolbar">

aztec/src/main/res/values/styles.xml

@@ -67,6 +67,7 @@
         <item name="lineSpacingMultiplier">@dimen/spacing_multiplier</item>
         <item name="android:textCursorDrawable">?attr/textColor</item>
         <item name="backgroundColor">@android:color/transparent</item>
+        <item name="textSizeModifier">0sp</item>
     </style>
 
     <style name="AztecToolbarStyle">