Style fixes

metadata/com.brosmike.airpushdetector.txt

@@ -7,7 +7,7 @@ Issue Tracker:https://github.com/brosmike/AirPush-Detector/issues
 Auto Name:AirPush Detector
 Summary:Where are the ads coming from?
 Description:
-If you like to install apps from other repos (not recommended ;-)), and you start to get advertisements
+If you like to install apps from other repos, and you start to get advertisements
 in your notification area, this will tell you what app is causing it.
 .
 

metadata/com.sam.hex.txt

@@ -10,7 +10,6 @@ Description:
 Hex is a simple board game where two players race to connect their sides of 
 the board. 
 The winner is the first to build a solid path connecting their two sides. 
-If you find it too easy try the other AI opponent ;-)
 .
 
 Repo Type:git

metadata/org.dyndns.fules.ck.txt

@@ -11,7 +11,7 @@ CompassKeyboard's main goal is to enable entering any character (including inter
 symbols of computer languages as well) with the same layouts. Default layouts support Latin- and
 Cyrillic-based and Greek character sets: user-definable external layouts are supported as well.
 For entering a plain character just swipe a key to some direction: for entering some accented ones,
-do a big swipe across the whole keyboard :) Depending on the direction of the big swipe, you can choose
+do a big swipe across the whole keyboard. Depending on the direction of the big swipe, you can choose
 different sets of accenting. For choosing a different layout, do a big swipe from the top-left corner
 of the keyboard across to bottom-down, and choose a layout from L0 to L6 (L0:Latin, L1:Cyrillic, L2:Greek,
 L3-L6:Custom). To get a visual feedback about the symbol you are about to enter, visit the entries