Insurance — Homeowners — All risk policy — Exclusions — Claim for water damage — Trial court properly entered summary for insurer on basis that claim for water damage was excluded by constant and repeated seepage or leakage exclusion in policy — Insurer proffered evidence that damage likely occurred by slow leakage or seepage of water over period of weeks or months, and insureds failed to introduce sufficient evidence to show that the damage was instead caused by a one-time accidental release of water