attempt to calculate scale value and draw it
Merge pull request #2 from roman-mazur/calculate-scale-value

Attempt to calculate scale value and draw it
Use Math.hypot for hypotenuse calculations.
Gradle 1.9 and plugin 0.7.
Suppress API warning with target API annotation.
Formatting tweaks.
Use density-independent text-size and slight shadow for scale text.
Static imports.
Smaller text size. Normalize text size by scaling the canvas.
Use split complementary text color with a normal color stroke.
Clean up getters and setters for all interactions. Plus Javadoc!
Kill target SDK version. We don't care.
Prepare for 1.1.0.
Prepare for next development version.
Invalidate view when scale ratio enabled changes. Prepare for 1.1.1.
Prepare for next development version.
Add javadoc deploy script.
Update README.md
Add Travis CI build.
Merge branch 'master' of https://github.com/JakeWharton/madge