bump to 1.7.0
bump to 1.8.0-dev
doc:ColorPicker minor fixes
uix:TabbedPanel switch to previous tab if touched tab is removed before we
can switch to it.
Spelling correction
Merge pull request #1205 from Zen-CODE/Doc_English_Improvements_44

doc: revisions to docs/contribute-unittest.rst
examples:KivyCatalog delay auto-reloading while cursor movement
examples:KivyCatalog fix popup and boolean  sections
Update examples.rst

Fix typos
uix:Splitter revert back to `horizontal` orientation if `size_from`
property is changed from `top`/`bottom` to `right`/`left`
Update events.rst

I've made some suggestions, hopefully you'll consider them as improvements :-)
texture: force allocation of npot texture for gpu that doesnt support npot texture. closes #1192
Merge pull request #1219 from rogererens/patch-6

Update events.rst
Merge pull request #1214 from rogererens/patch-5

Update examples.rst