Merge pull request #1 from alfiewm/master

pullrequest test0
Merge pull request #2 from alfiewm/master

Added navigation drawer framework.
Add ColumnView for displaying height

1. Finish linear color gradient with touch event.
2. scaled bitmp TODO.
Merge pull request #3 from alfiewm/master

Left menu UI changes.
Merge pull request #4 from alfiewm/master

UI tweaks. Add systembartint lib.
Merge pull request #5 from alfiewm/master

Remove libs from gitignore, add systembartint.
ColumnView with Scaled image

1. refine MainActivity and Delegate
2. finish columnView with scaled image.