simple_dialog

simple dialog without handling event
added dialog_fragment.java
add fragment dialog layout file
Merge pull request #2 from Bo-Yee-Woods/master

merge simple-dialog from baoyu
Merge pull request #3 from Bo-Yee-Woods/master

added dialog_fragment.java
Merge pull request #4 from Bo-Yee-Woods/master

add fragment dialog layout file
merged with sliders