DOC: add new chapters
Update README
DOC: fix typo
DOC: fix typos
Ignore MANIFEST and any rst files in the root directory
DOC: change README.txt
DOC: improve intro
DOC: improve README
DOC: correct typo
DOC: improve intro
DOC: add new sections to Getting Started
DOC: new sections in getting started and improvements in tools
Merge branch 'master' into DOC_reorganize_user_guide
Merge branch 'master' into DOC_reorganize_user_guide
removed lines storing variables and never using them in the tests
Merge pull request #163 from to266/removing_unnecessary_lines

removed lines storing variables and never using them in the tests
ENH: add **kwargs for get_histograms
EHN: doc
BUG-FIX: yaxis scale and offset is conserved
ENH: doc2