fix diagrams
Merge pull request #118 from anilsaldhana/master

see comments
reformat table elements
Merge pull request #119 from anilsaldhana/master

see comments
PLINK-140 documentation improvements
PLINK-153
PLINK-154 establish package for identity REST services
PLINK-155 start defining client method signatures
PLINK-134 delegate permission checks to PermissionMapper
PLINK-156 added picketlink-common to distribution