Add --list option to sxinit that writes down all configured profiles with cluster names
Add aliasing functionality for client tools. Fix bug 460.
Fix is_sx() function to properly check SXC_ALIAS_PREFIX in uri
Move sxi_list_aliases() to sxi_get_alias_list() list to avoid multiple aliases file parsing.
Add sxc_set_confdir() call to client tools.
Change sxc_set_confdir() function to return error code when it did not succeed.
Fix sxc_set_alias function.
Fix minor issues
Implement aliases functionality (bb# 460)

Add --list option to sxinit that writes down all configured profiles
with cluster names. Add --alias option to sxinit that adds alias name to
be used by client tools.
Merge branch 'sxinitlist' of git+ssh://git.dev.skylable.com/home/git/sx into sxinitlist
Merge branch 'sxinitlist'