bug fix - Text in tabs not centered properly
bug fix - Register and Watch buttons are jammed together

- added challenge-side class to the right sidebar wrapper div.
- set the font size of btn  14px
- for right_participation.html.erb file, removed wrong p tag on top and changed p tag to div tag since p tag is not allowed to include block elements.(not necessary for the this bug fix)
bug fix - List of challenge does not display properly (portrait or landscape) on table or phone

- added description class to the p tag and made its height 80px.
bug fix - Submit section headers do not display correctly
bug fix - Long timezone on member profile should not wrap to next line -- push all text under image

- smaller font size(12px)
- limit the max width, ignores overflows.
bug fix - Statistics overlap to next line incorrectly.

- limit the max size of bar to 100px.
bug fix - the text "SORT" and "SHOW BY" appear clickable, but are not

- changes label tag to span tag.
bug fix - "search members or challenges" text disappears in chrome and doesn't come back

- changed placeholder colour
Merge branch 'cs-2613-bugfix' of https://github.com/aproxacs/cs-website-cms into aproxacs-cs-2613-bugfix
tweaks from aproxacs changes