Commit regarding to NMS-5918 and NMS-5919

- Extended RrdGraphController to handle width and height parameter.
- Extended RrdGraphService interface to allow width and height.
- Extended DefaultRrdGraphService to provide width and height and deal
  width already predefined RRD command with a given --width and --height
- Changed results.jsp to use the parameter width and height from prefab graph
  definition
added SystemExecuteMonitor and depricated GpMonitor
SystemExecuteMonitor :: added  variable in addition to  to improve compatibility with the old GpMonitor
Jira issue NMS-5831

    Improved ICMP response time graph, combine line and area
    Improved cisco.avgbusy5 graph for percentage, start always at 0, color profile for CPU percentage
    Improved cisco.bufferfails, better color scheme from tango palette, combine line and areas
    Improved cisco.pkts, better color scheme from tango palette, combine line and areas
    Improved bigip.lvsconns, better color scheme from tango palette, combine line and areas
    Improved lmsensors.temp, better color scheme from tango palette, combine line and areas
    Changed mib2.bits and mib2.HCbits from VDEF:outSum=bitsOut,TOTAL to CDEF:outSum=bitsOut,{diffTime},* the old definition is not com
    Improved mib2.percentdiscards, better color scheme from tango palette, combine line and areas
    Improved mib2.percenterrors, better color scheme from tango palette, combine line and areas
    Improved mib2.discards, better color scheme from tango palette, combine line and areas
    Improved mib2.errors, better color scheme from tango palette, combine line and areas
    Improved mib2.packets, better color scheme from tango palette, combine line and areas
    Improved mib2.tcpconnections, better color scheme from tango palette, combine line and areas
    Improved mib2.tcpcurrent, better color scheme from tango palette, combine line and areas
    Improved mib2.tcperrs, better color scheme from tango palette, combine line and areas
    Improved mib2.tcpsegs, better color scheme from tango palette, combine line and areas
    Improved mib2.HCtraffic-inout, better color scheme from tango palette, combine line and areas
    Improved mib2.storage graph for percentage, start always at 0 to be easier comparable, color profile for fill percentage
    Improved mib2.icmp.msgs, better color scheme from tango palette, combine line and areas
    Improved icmp.problems, better color scheme from tango palette, combine line and areas
    Improved mib2.icmp.echoes, better color scheme from tango palette, combine line and areas
    Improved microsoft.cpuPercentBusy graph for percentage, start always at 0, color profile for CPU percentage
    Improved microsoft.memory, better color scheme from tango palette, combine line and areas
    Improved msHttpRequests, better color scheme from tango palette, combine line and areas, stacking areas instead of lines
    Improved msHttpNotFound, better color scheme from tango palette, combine line and areas
    Improved msHttpUsers, better color scheme from tango palette, combine line and areas
    Improved msHttpFilesSent, better color scheme from tango palette, combine line and areas
    Improved msHttpConnections, better color scheme from tango palette, combine line and areas
    Improved netsnmp.rawcontext, better color scheme from tango palette, combine line and areas
    Improved netsnmp.cpuStats, better color scheme from tango palette
    Improved netsnmp.cpuStatsFull, better color scheme from tango palette
    Improved netsnmp.cpuUsage, better color scheme from tango palette
    Improved netsnmp.disk, better color scheme from tango palette, start always at 0, combine line and area
    Improved netsnmp.diskHighLow, better color scheme from tango palette, start always at 0, combine line and area