fixed typeahead on IE8 by using underscore map and filter functions.
using jquery trim function, instead of js trim, for IE8 compatibility
calling placeholder plugin on new measures page for IE8 compatibility.
improved rendering of project add measures page

change: only project measures area is rendered when adding or removing measures
add: new function uses jquery to update add button status
add: manual event onRender triggered when filtering or searching, so add button can be updated
scroll to bottom of project measures list when adding measures, deleting measure snapshots by id not index
added button style to review measure chevron icon on measures list
fixed timeline date issue where start and end were off by one day, now works on IE8
fixed bug in bootstrap typeahead where selection is lost if mouse held down too long, IE8 compatible.
restrictions timeline - adding color fallback for IE8.
measure search finds a match in any of 3 fields now, measure_text, implementation_notes, and code.
prevent duplication of tags when name contains special characters +?.|{}^()-[]
added export button and functionality to measures page, moved add measures button to left.