merge quickfixes

some quickfixes to fix deployment errors

tag version 0.1.0-rc1

add version string

implement some basic search-targets for message and nickname

revert to use %Y-%m-%d for URL dates again

fix wrong timezone for channel_date

have dates in URLs be partial timestamps - fix datetime-timezone-comparison mess

center calendar list, add prev/next date to channel_link, add view-last-x-lines form to channel_last/channel

add <form> for month/year to calendar header

add three calendars to the channel_calendar view

implement prev/next_date in LogSource

make IrssiParser a bit more resilient as to whitespace in/after timestamps

fix handling of custom types by parser/formatter

split out helpers._render_type, and add support for ?type= to various other handlers... still needs more work, though

add prev/next date links to channel_date pagination

reformat add_option's and rename --after -> --from, and make that and --until inclusive

implement our own optparse.Option with date/timezone types

split scripts/search-index options into groups

implement --until, and fix handling of ServerMode

have LogDirectory use utils.mtime instead of os.stat

implement autoload --reset

implement ignore-resume option

implement non-blocking locking for the estdb, and our own locking for the autoload statetmpfile... it should work well now

implement tempfile use for scripts/search-index autoload, so that it can resume aborted sessions

implement parser/formatter netsplits and day-change

move the LogSearchIndex open from handlers to log_search, and make it lazy

implement utils.mtime

implement --after for autoload

implement scripts/search-index autoload