Merge pull request #75 from rahuldave/master

A pull request to master to bring in adsgut
* forms.py: add back database selection, move nr. records to search options
* search_macros.html: add back database selection, move nr. records to search options
* config.py: database selection (db_f) is not done via fq rather than q
fixing advanced options auto-open issue
Merge pull request #81 from lbjay/search_options

Search options
removing these from vc
classic search added to index.html as well as /search/classic-search.html

added javascript validation

fixed classic-search url

fixed back button issue

fixed little things and changed tabs to redirect to diff urls

replaced loading gif

fixed radio button issue
Merge pull request #83 from lbjay/classicsearch_clean

classic search added to index.html as well as /search/classic-search.htm...
link to classic search needed to use url_for
Merge branch 'classicsearch_clean'
fixing autocomplete; add refereed as default; changed default nr to 20
Merge pull request #84 from lbjay/master

fixing autocomplete; add refereed as default; changed default nr to 20
link back to home/search needs to use url_for
Merge pull request #86 from lbjay/master

link back to home/search needs to use url_for
ui and code fixes for mumber of items
Merge pull request #87 from lbjay/aasplus

ui and code fixes for mumber of items
* postform work
* various small bugs and look based things, big change in records_list to generate library saving for one item
* everything POST in postform
* no need for separate single_export_to_libraries method
* everyone, PLEASE STOP HARD-CODING URLs. Use url_for & global_variables.js settings
Merge pull request #92 from lbjay/aasplus

Rahul's additional aasplus commits + some cleanup