Revision 915747

[CONTINUUM-2466] authorization failed when building ant / shell projects
o set scm username and password in context which will be used in initial checkout (shell and ant projects)
o added test to verify if scm username and password were set in context
o do not store credentials id useScmCredentialsCache is set to true in store-project action
o added test to check storing of credentials based on value of useScmCredentialsCache for ant and shell projects