[and] Pick point API feature.
Merge pull request #5 from dkunin-me/dev

[and] Pick point API feature.
[build] Added gradle build script
Merge pull request #6 from dkunin-me/dev

[build] Added gradle build script
[feature] custom button title support
[codereview]
Merge pull request #7 from dkunin-me/custom-button-name

Custom button name
[feature] Added zoom level as return param.
Merge pull request #8 from dkunin-me/pass-zoom

[feature] Added zoom level as return param.
Promo dialog fixes
Merge pull request #9 from mapswithme/dev

Pick Point API feature