updated target model
named target serializability
removed CoordinatesEpoch and unimplemented stubs, updated TODOs
Revert "REL-1914: Added flip transformation to GMOS OIWFS when using AO." because of requirements change.

This reverts commit 453034f51a25a99378b45175d0fd005ec5b9eb60.
Merge pull request #125 from jluhrs/feature/REL-1914-2

Revert "REL-1914: Added flip transformation to GMOS OIWFS when using AO....
removed unused DegDegTarget
Merge pull request #126 from tpolecat/degdegtarget

OCSADV-154 Remove DegDegTarget
Merge pull request #124 from tpolecat/target-model

OCSADV-154 core target model updates
remove SPTarget.setTrackingSystem
java 7 inferred type args
remove createTarget factory
fixed silly constructor
removed commented code
removed unused ITarget.dump()
removed dead code
weaker access
removed unnecssary if
weaker access, dead code
access, dead code
access, dead code