Merge pull request #15 from karuto/gallerydev

Merge pull request #40 from wolberd/gallery2plus
Merge pull request #16 from karuto/gallerydev

Fixed build failed: cannot have both GCS files api and com.google.appeng...
added most downloaded and pagination
added code to get apps for a particular developer on sidebar
added show developer apps and comments backend
Merge pull request #17 from karuto/gallerydev

Gallerydev
Merge pull request #42 from wolberd/gallery2plus

Gallery2plus