PatchSequenceApply: Expose API to allow apply one patch a time
PatchSequenceApply: Expose API to allow apply one patch a time

Modify applyPatchSequenceByInstallName to apply just specified
patch.

Modify return values of installing patch APIs to report patch is
already installed.

Change-Id: I964bb8002691e91627cc55bf187b60d6624d3f06

OSEHRA/VistA,OSEHRA-Sandbox/VistA,shabiel/VistA,josephsnyder/VistA,apexdatasolutions/VistA,apexdatasolutions/VistA,OSEHRA-Sandbox/VistA,timmvt/VistA_tt,shabiel/VistA,shabiel/VistA,OSEHRA-Sandbox/VistA,josephsnyder/VistA,apexdatasolutions/VistA,mdgeek/VistA-FHIR-CWF,timmvt/VistA_tt,jasonli2000/VistA,josephsnyder/VistA,mdgeek/VistA-FHIR-CWF,OSEHRA-Sandbox/VistA,timmvt/VistA_tt,OSEHRA/VistA,shabiel/VistA,OSEHRA/VistA,apexdatasolutions/VistA,jasonli2000/VistA,mdgeek/VistA-FHIR-CWF,mdgeek/VistA-FHIR-CWF,jasonli2000/VistA,OSEHRA-Sandbox/VistA,apexdatasolutions/VistA,OSEHRA-Sandbox/VistA,mdgeek/VistA-FHIR-CWF,josephsnyder/VistA,OSEHRA/VistA,mdgeek/VistA-FHIR-CWF,timmvt/VistA_tt,josephsnyder/VistA,jasonli2000/VistA,timmvt/VistA_tt,shabiel/VistA,shabiel/VistA,OSEHRA/VistA,OSEHRA/VistA,josephsnyder/VistA