Rebase from master

.github/ISSUE_TEMPLATE.md

@@ -8,11 +8,22 @@
 
 [this should explain **why** the current behaviour is a problem and why the expected output is a better solution.]
 
+**Note**: We receive a lot of issues on our GitHub tracker, so it is very possible that your issue has been posted before. Please check first before submitting so that we do not have to handle and close duplicates!
+
+**Note**: Many problems can be resolved by simply upgrading `pandas` to the latest version. Before submitting, please check if that solution works for you. If possible, you may want to check if `master` addresses this issue, but that is not necessary.
+
+For documentation-related issues, you can check the latest versions of the docs on `master` here:
+
+https://pandas-docs.github.io/pandas-docs-travis/
+
+If the issue has not been resolved there, go ahead and file it in the issue tracker.
+
 #### Expected Output
 
 #### Output of ``pd.show_versions()``
 
 <details>
-# Paste the output here pd.show_versions() here
+
+[paste the output of ``pd.show_versions()`` here below this line]
 
 </details>

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,4 +1,4 @@
- - [ ] closes #xxxx
- - [ ] tests added / passed
- - [ ] passes ``git diff upstream/master | flake8 --diff``
- - [ ] whatsnew entry
+- [ ] closes #xxxx
+- [ ] tests added / passed
+- [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
+- [ ] whatsnew entry

.gitignore

@@ -7,6 +7,7 @@
 *$
 *.bak
 *flymake*
+*.iml
 *.kdev4
 *.log
 *.swp
@@ -19,6 +20,7 @@
 .noseids
 .ipynb_checkpoints
 .tags
+.cache/
 
 # Compiled source #
 ###################
@@ -56,6 +58,8 @@ dist
 **/wheelhouse/*
 # coverage
 .coverage
+coverage.xml
+coverage_html_report
 
 # OS generated files #
 ######################
@@ -100,3 +104,5 @@ doc/source/index.rst
 doc/build/html/index.html
 # Windows specific leftover:
 doc/tmp.sv
+doc/source/styled.xlsx
+doc/source/templates/

.pep8speaks.yml

@@ -0,0 +1,10 @@
+# File : .pep8speaks.yml
+
+scanner:
+    diff_only: True  # If True, errors caused by only the patch are shown
+
+pycodestyle:
+    max-line-length: 79
+    ignore:  # Errors and warnings to ignore
+        - E731
+        - E402