Merge pull request #11 from KeithYokoma/master

Fix travis script
start activity from Fragment
fix for Fragment compatibility
SdkManager v0.9 has a bug that makes assemble slow (see https://github.com/JakeWharton/sdk-manager-plugin/pull/24)
fix method arguments
Merge pull request #10 from nohana/start_on_fragment

Start activity from Fragment
Merge pull request #12 from nohana/faster_assemble

Update SDKManager to v0.10
fix minSdkVersion
Merge pull request #14 from nohana/fix_min_sdk_ver

Fix minSdkVersion
found a bug and when try to fix sample app. i was corresponding null check leak.
Merge pull request #15 from nohana/bugfix/sampleApp

found a bug and when try to fix sample app.
Distribute 1.0.1
Update README.md
Update README.md
fix tests

 - fix compile error
 - divide test case at AlbumTest
workaround for androidJavadocs

 - androidJavadocs task can't resolve dependencies
fix travis script

 - validate https://lint.travis-ci.org/
Merge pull request #17 from hidey/for_travis

For travis
Added Gitter badge
Merge pull request #18 from gitter-badger/gitter-badge

Add a Gitter chat badge to README.md