DOC: draft of timeseries section of docs. Added Period related documentation and examples
DOC: draft of timeseries section of docs. Added Period related documentation and examples

kdebrab/pandas,cython-testbed/pandas,louispotok/pandas,zfrenchee/pandas,DGrady/pandas,winklerand/pandas,datapythonista/pandas,amolkahat/pandas,jreback/pandas,datapythonista/pandas,jorisvandenbossche/pandas,linebp/pandas,dsm054/pandas,MJuddBooth/pandas,TomAugspurger/pandas,linebp/pandas,louispotok/pandas,zfrenchee/pandas,harisbal/pandas,jmmease/pandas,TomAugspurger/pandas,louispotok/pandas,GuessWhoSamFoo/pandas,pratapvardhan/pandas,pratapvardhan/pandas,pratapvardhan/pandas,toobaz/pandas,rs2/pandas,nmartensen/pandas,DGrady/pandas,gfyoung/pandas,MJuddBooth/pandas,nmartensen/pandas,jmmease/pandas,gfyoung/pandas,nmartensen/pandas,jmmease/pandas,cython-testbed/pandas,cython-testbed/pandas,zfrenchee/pandas,winklerand/pandas,datapythonista/pandas,MJuddBooth/pandas,linebp/pandas,jreback/pandas,pratapvardhan/pandas,zfrenchee/pandas,dsm054/pandas,Winand/pandas,gfyoung/pandas,jreback/pandas,linebp/pandas,pandas-dev/pandas,cbertinato/pandas,MJuddBooth/pandas,rs2/pandas,GuessWhoSamFoo/pandas,louispotok/pandas,kdebrab/pandas,pratapvardhan/pandas,gfyoung/pandas,winklerand/pandas,MJuddBooth/pandas,DGrady/pandas,jorisvandenbossche/pandas,winklerand/pandas,GuessWhoSamFoo/pandas,jorisvandenbossche/pandas,cython-testbed/pandas,toobaz/pandas,gfyoung/pandas,rs2/pandas,jmmease/pandas,kdebrab/pandas,amolkahat/pandas,DGrady/pandas,linebp/pandas,pandas-dev/pandas,TomAugspurger/pandas,harisbal/pandas,TomAugspurger/pandas,Winand/pandas,cbertinato/pandas,harisbal/pandas,amolkahat/pandas,dsm054/pandas,louispotok/pandas,cbertinato/pandas,DGrady/pandas,Winand/pandas,amolkahat/pandas,nmartensen/pandas,pandas-dev/pandas,GuessWhoSamFoo/pandas,harisbal/pandas,pandas-dev/pandas,dsm054/pandas,dsm054/pandas,rs2/pandas,jmmease/pandas,GuessWhoSamFoo/pandas,harisbal/pandas,winklerand/pandas,kdebrab/pandas,cbertinato/pandas,toobaz/pandas,winklerand/pandas,nmartensen/pandas,zfrenchee/pandas,linebp/pandas,jreback/pandas,kdebrab/pandas,amolkahat/pandas,nmartensen/pandas,jreback/pandas,datapythonista/pandas,cbertinato/pandas,DGrady/pandas,toobaz/pandas,jorisvandenbossche/pandas,cython-testbed/pandas,Winand/pandas,Winand/pandas,Winand/pandas,jmmease/pandas,toobaz/pandas