Changed Project members list style, added scrolls

On current implementation, when a user request to modify project
members, a modal appears with a list of available members, the
buttons may go very far down from screen if the members list is
large.

Co-Authored-By: Joanna H. Huang <joanna.huitzu.huang@gmail.com>
Change-Id: I33912345329cee51b9ce7cd3d658b90d08b142a5
Closes-Bug: #1269910
Update metering unit selection to use smaller units for time

Update the unit selection to not convert to a higher unit until
the max value is at least 2 units.

Change-Id: I349b328b553ed634a70b70b695d4db92295c9b67
Closes-bug: #1384248
Fix the expression to be python3 compatible.

the oct function in python2 and python3 return different results.
Instead of comparing strings, compare the integer results directly.

Change-Id: Ic802d8dcb27067fa4b1e57eb549565516715c94e
Cell empty value defaults to - removing redundancy

The default value empty_value for a cell is horizon/tables/base.py
is "-", it is redundant and unnecessary to specify this column
definitions.

Closes-Bug: #1398904
Change-Id: Ica3e8f1559effe6b11f4e81d303758a869acbe2b
Merge "Changed Project members list style, added scrolls"
Updated from global requirements

Change-Id: I0cd8b7a9f03eef30e05dd57a5937ebb5142f9eeb
Merge "Update metering unit selection to use smaller units for time"
Merge "Updated from global requirements"
Merge "Fix the expression to be python3 compatible."
Split large methods into submethods to reduce max-complexity

By this refactoring max-complexity of PEP8 is reduced from 33 to 19.

Closes-Bug: #1399523
Change-Id: I7e9e5cefd3e72e322d8b327f495ce7fc863c3678
Imported Translations from Transifex

For more information about this automatic import see:
https://wiki.openstack.org/wiki/Translations/Infrastructure

Change-Id: I8f5d0aea5f59439e04ac54e321f3f6dd3a0bf38b
Merge "Split large methods into submethods to reduce max-complexity"
Merge "Imported Translations from Transifex"
Merge branch 'master' of https://github.com/openstack/horizon

Conflicts:
	tox.ini