LRDOCS-1163 Created tutorial explaining basics of OSGi plugin creation for Liferay
LRDOCS-1163 Clarified instructions
LRDOCS-474 Added coverage of Liferay's OSGi runtime to the User Guide noting that Liferay's OSGi runtime is experimental and unsupported
Renamed OSGi tutorial markdown file to that it ends with '-intro.markdown'
Merge branch 'LRDOCS-1163' of git://github.com/jrao/liferay-docs into wordsmithing
Wordsmithing.
Correct URL.
Wordsmithing.