bug913242: fix the redirection issue

modified cancel button template
add hover text to show filter key of seleted filter
add filter text to the tip
support keyword filter
Bug 932722 - Author is unknown when add new version of existing test case
support unmatched syntax for bulk cases form
fix bug: 'when' followed by 'test that' is not handled
cloning test case with suite
fix bug: priority value is not saved with bulk cases
use cookie to store pagesize settings
fix bug: current page should not be clickable
fix and add test cases for bulk cases
add check for priority type
add 2 test cases for cloning w/ suites
doc updates
Merge pull request #41 from sh1r0/bug741450

add hover text to show filter key of seleted filter
Merge pull request #47 from sh1r0/bug722330

support unmatched syntax for bulk cases form
Merge pull request #39 from sh1r0/bug913242

bug913242: fix the redirection issue
Merge pull request #46 from sh1r0/bug942045

cloning test case with suite
Merge pull request #44 from sh1r0/bug932722

Bug 932722 - Author is unknown when add new version of existing test case