Merge pull request #7215 from jorisvandenbossche/doc-fixes2

DOC: fix datetime-like Series ops in docs + some extra api docs
DOC: doc fixups for (GH7213)
CLN: cleanup related to (GH7206) don't create the disabled properties at all for Series
Merge pull request #7216 from jreback/ops2

DOC/CLN for GH7213/GH7206
BUG: bug in setitem with multi-index and a 0-dim ndarray (GH7218)
Merge pull request #7219 from jreback/si

BUG: bug in setitem with multi-index and a 0-dim ndarray (GH7218)
TST: tests for reindex_like consistency (GH7179)
Merge pull request #7221 from jreback/reindex_like

TST: tests for reindex_like consistency (GH7179)
TST/DOC/BUG: Accommodate OpenPyXL incompatibility

*   Detect whether a compatible version is installed
*   Skip openpyxl unit tests instead of failing
*   Inhibit registration of `openpyxl` engine in `ExcelWriter`
*   Raise `UserWarning`
*   Document limitation as a known issue
*   Resolve issue #7169
Merge pull request #7214 from neirbowj/openpyxl_compat

TST/DOC: Test for and document incompatibility with openpyxl 2.0.0 and later
BUG: boxplot returns incorrect dict
DOC: corrections in v0.14.0
BUG: multi-index output formatting
Merge pull request #7232 from bjonen/fix_7174

BUG: multi-index output formatting is buggy (GH7174)
DOC: fix api docs
DOC: clean-up docstrings of option functions

so they render nice with sphinx without warnings
Merge pull request #7236 from jorisvandenbossche/doc-fixes2

DOC: clean-up docstrings of option functions
DOC: corrections in v0.14.0 / release
DOC: put in anticipated release date in release / v0.14.0 (May 31, 2014)
TST/CLN: remove prints (esp of unicode), replacing with com.pprint_thing (GH7247)
Merge pull request #7248 from jreback/fix_print

TST/CLN: remove prints (esp of unicode), replacing with com.pprint_thing (GH7247)
Merge pull request #7225 from sinhrks/boxbug

BUG: boxplot returns incorrect dict