enlarge images in browse activity
center images in grid, make single column
fetching relevant data and presenting it, need to work on layout
improve layout
make image appear in full screen activity on click
full screen works
clean code and add comments
change fill_parent (deprecated) to match_parent
Merge remote-tracking branch 'upstream/master' into improveMain
Merge pull request #144 from rpandey1234/improveMain

Improve main activity- layout and ability to enlarge images