Add Wear 4.4W API20 and L Preview
Readme
Merge pull request #230 from Shusshu/api20

Add Wear 4.4W API20 and L Preview
Add new aar libs in the doc
Merge pull request #231 from Shusshu/readme-support

Add new aar libs in the doc
Profiles
Merge pull request #232 from Shusshu/issue-profiles

Profiles
support-v4 & support-v7 are now packaged as aar instead of jar
Merge pull request #233 from Shusshu/supportaar

support-v4 & support-v7 are now packaged as aar instead of jar
Deprecate tools annotations as it was merged into the android sdk jar
Merge pull request #235 from Shusshu/deprecate-annotation

Deprecate tools annotations as it was merged into the android sdk jar