updated service classes and Changelog
is_array condition check interchanged
removing core sdk adding support for composer
changing sdk name access level
moved tests to core repo
moved tests to core repo
updated installation instructions
updated stubs for composer
updating composer.json
removed local repositories location in composer.json
'build'
constructing zip download url based on branch/tag
updated ChangeLog.txt and version for 98 release
Merge branch 'rel-2.2.98'