UX tweeks to column selector

- use a simple select instead of the blue labels for adding columns
- the "-" needs to be a "circle -": using glyphicon glyphicon-minus-sign
- updated e2e tests accordingly
- rebuilt dist
Merge pull request #102 from nexus-uw/bug/column-selector/use-select

UX tweeks to column selector
Font style CSS is being moved to common-style

* Also removed dead links to alignment.css
Merge pull request #103 from Rise-Vision/chore/remove-alignment-css

Font style CSS is being moved to common-style where it belongs
added font-setting-button class to font settings to impose consistent width

- makes  font size, alignment, highlight, and colour button all the same width
- rebuilt dist files
Merge pull request #104 from nexus-uw/bug/font-setting/make-small-btns-same-size

added font-setting-button class to font settings to impose consistent wi...
fixed font setting width issue

- rebuilt dist
Merge pull request #105 from nexus-uw/bug/font-settings/constant-font-selector-width

fixed font setting width issue
[chore] Updated tooltip to use ui-popover

Updated tooltip to use angular-bootstrap component
- tooltip just adds circle_question_mark classes
- use popover directive directly
- tooltip renamed to rv-tooltip because of conflict with ui-bootstrap name
Updated tooltip demo page

Updated Column Selector title to use standard label
Updated Scroll Setting tooltip and column widths
Merge pull request #106 from alex-deaconu/master

[chore] Updated tooltip to use ui-popover
[chore] Refactored column-selector

Updated to standards and added section heading
Fixed tests
Merge pull request #107 from alex-deaconu/chore/refactor-column-selector

[chore] Refactored column-selector
[chore] Fixing typos in code
Merge pull request #109 from alex-deaconu/master

[chore] Fixing typos in code
[bugfix] Updated build results
Merge pull request #110 from alex-deaconu/master

[bugfix] Updated build results
[chore] updated scroll settings form based on updated input guidelines
Merge pull request #111 from Rise-Vision/chore/scroll-settings-input-guidelines

[chore] updated scroll settings form based on the updated input guidelines
[chore] added sm and xs classes for padding inputs
Merge pull request #112 from Rise-Vision/chore/table-setting-form-widths

[chore] added sm and xs classes for padding inputs