movement of all enemy entity
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
update vesrion number
Merge pull request #157 from gurnam17/master

update version number
Move Icons to Utils
Pausing using Pause or P
Merge pull request #158 from katiewood/master

Move Icons to Utils, Pause using Pause or P
Add A and D support for moving the ship
Merge pull request #159 from katiewood/master

Add A and D support for moving the ship
Merge pause keys
Merge pull request #160 from katiewood/master

Merge pause keys
merge pause keys
Merge pull request #161 from katiewood/master

merge pause keys
code cleanup
Merge pull request #162 from katiewood/master

code cleanup
Code Cleanup
Merge pull request #163 from katiewood/master

Code Cleanup