Feature/configure leak canary

[thomaskioko]

What does this PR do?

Major Changes

• Add LeakCanary configuration #16

Minor Changes

• Add unit tests
• Encrypt perm file and add it to Travis CI

Below Checks Have Been Added

• [x] Your code builds clean without any errors or warnings
• [x] You are using approved terminology
• [x] You have added unit tests

[codecov[bot]]

Codecov Report

Merging #19 into feature/clean-architecture-implementation will increase coverage by 0.41%. The diff coverage is 0%.

@@                               Coverage Diff                               @@
##             feature/clean-architecture-implementation      #19      +/-   ##
===============================================================================
+ Coverage                                        34.96%   35.37%   +0.41%     
- Complexity                                         133      137       +4     
===============================================================================
  Files                                               75       75              
  Lines                                              715      718       +3     
  Branches                                            71       71              
===============================================================================
+ Hits                                               250      254       +4     
+ Misses                                             436      435       -1     
  Partials                                            29       29